121111122113202 has 48 divisors (see below), whose sum is σ = 263308568680800. Its totient is φ = 37119960723456.

The previous prime is 121111122113197. The next prime is 121111122113237. The reversal of 121111122113202 is 202311221111121.

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 23 ways as a sum of consecutive naturals, for example, 232110952 + ... + 232632147.

It is an arithmetic number, because the mean of its divisors is an integer number (5485595180850).

Almost surely, 2^{121111122113202} is an apocalyptic number.

121111122113202 is an abundant number, since it is smaller than the sum of its proper divisors (142197446567598).

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

121111122113202 is a wasteful number, since it uses less digits than its factorization.

121111122113202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464743387 (or 464743374 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 121111122113202 its reverse (202311221111121), we get a palindrome (323422343224323).

The spelling of 121111122113202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred two".