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1102210221220 = 225614791886119
BaseRepresentation
bin10000000010100000110…
…110010100010010100100
310220100222220222122020221
4100002200312110102210
5121024311304034340
62202203130134124
7142426540204123
oct20024066242244
93810886878227
101102210221220
11395498a319a9
12159747b81344
137cc26978094
143b4c0c45aba
151da0ea3b44a
hex100a0d944a4

1102210221220 has 48 divisors (see below), whose sum is σ = 2357499110400. Its totient is φ = 432750913920.

The previous prime is 1102210221209. The next prime is 1102210221221. The reversal of 1102210221220 is 221220122011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102210221194 and 1102210221203.

It is not an unprimeable number, because it can be changed into a prime (1102210221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358680 + ... + 1527439.

It is an arithmetic number, because the mean of its divisors is an integer number (49114564800).

Almost surely, 21102210221220 is an apocalyptic number.

1102210221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102210221220 is an abundant number, since it is smaller than the sum of its proper divisors (1255288889180).

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

1102210221220 is a wasteful number, since it uses less digits than its factorization.

1102210221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886668 (or 1886666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1102210221220 its reverse (221220122011), we get a palindrome (1323430343231).

The spelling of 1102210221220 in words is "one trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 479 610 958 1220 1916 2395 4790 9580 29219 58438 116876 146095 292190 584380 1886119 3772238 7544476 9430595 18861190 37722380 115053259 230106518 460213036 575266295 903451001 1150532590 1806902002 2301065180 3613804004 4517255005 9034510010 18069020020 55110511061 110221022122 220442044244 275552555305 551105110610 1102210221220