Search a number
-
+
121021201022 = 2131461912981
BaseRepresentation
bin111000010110101101…
…1001111101001111110
3102120101011201222221112
41300231123033221332
53440322411413042
6131332452202022
711513006143601
oct1605533175176
9376334658845
10121021201022
1147363349607
121b555909312
13b548938527
145c00c12338
153234973982
hex1c2d6cfa7e

121021201022 has 8 divisors (see below), whose sum is σ = 182917540872. Its totient is φ = 60048687400.

The previous prime is 121021201019. The next prime is 121021201033. The reversal of 121021201022 is 220102120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1210212010222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021200988 and 121021201006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230956229 + ... + 230956752.

It is an arithmetic number, because the mean of its divisors is an integer number (22864692609).

Almost surely, 2121021201022 is an apocalyptic number.

121021201022 is a deficient number, since it is larger than the sum of its proper divisors (61896339850).

121021201022 is a wasteful number, since it uses less digits than its factorization.

121021201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461913114.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121021201022 its reverse (220102120121), we get a palindrome (341123321143).

The spelling of 121021201022 in words is "one hundred twenty-one billion, twenty-one million, two hundred one thousand, twenty-two".

Divisors: 1 2 131 262 461912981 923825962 60510600511 121021201022