121100234202 has 36 divisors (see below), whose sum is σ = 274287855114. Its totient is φ = 38611665840.

The previous prime is 121100234161. The next prime is 121100234219. The reversal of 121100234202 is 202432001121.

It is a happy number.

121100234202 is a `hidden beast` number, since 121 + 100 + 23 + 420 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70533267561 + 50566966641 = 265581^2 + 224871^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6349449 + ... + 6368492.

Almost surely, 2^121100234202 is an apocalyptic number.

121100234202 is an abundant number, since it is smaller than the sum of its proper divisors (153187620912).

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

121100234202 is a wasteful number, since it uses less digits than its factorization.

121100234202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717995 (or 12717969 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121100234202 its reverse (202432001121), we get a palindrome (323532235323).

The spelling of 121100234202 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty-four thousand, two hundred two".