Search a number
-
+
121110020202222 = 23315164722956469
BaseRepresentation
bin11011100010011000011111…
…101110111001111011101110
3120212211000010112121211001000
4123202120133232321323232
5111333231310132432342
61105325101502101130
734336624126214232
oct3342303756717356
9525730115554030
10121110020202222
1135653520088467
12116bbb2487a7a6
13527681a14688c
1421c9a832385c2
15e00539b5544c
hex6e261fbb9eee

121110020202222 has 64 divisors (see below), whose sum is σ = 271334456294400. Its totient is φ = 40040671485600.

The previous prime is 121110020202163. The next prime is 121110020202247. The reversal of 121110020202222 is 222202020011121.

It is a happy number.

121110020202222 is a `hidden beast` number, since 1 + 211 + 10 + 0 + 20 + 202 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121110020202195 and 121110020202204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6202597 + ... + 16753872.

It is an arithmetic number, because the mean of its divisors is an integer number (4239600879600).

Almost surely, 2121110020202222 is an apocalyptic number.

121110020202222 is an abundant number, since it is smaller than the sum of its proper divisors (150224436092178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121110020202222 is a wasteful number, since it uses less digits than its factorization.

121110020202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22957278 (or 22957272 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121110020202222 its reverse (222202020011121), we get a palindrome (343312040213343).

The spelling of 121110020202222 in words is "one hundred twenty-one trillion, one hundred ten billion, twenty million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 151 302 453 647 906 1294 1359 1941 2718 3882 4077 5823 8154 11646 17469 34938 97697 195394 293091 586182 879273 1758546 2637819 5275638 22956469 45912938 68869407 137738814 206608221 413216442 619824663 1239649326 3466426819 6932853638 10399280457 14852835443 20798560914 29705670886 31197841371 44558506329 62395682742 89117012658 93593524113 133675518987 187187048226 267351037974 401026556961 802053113922 2242778151893 4485556303786 6728334455679 13456668911358 20185003367037 40370006734074 60555010101111 121110020202222