121202012111022 has 48 divisors (see below), whose sum is σ = 274121259834240. Its totient is φ = 38658126355200.

The previous prime is 121202012110987. The next prime is 121202012111143. The reversal of 121202012111022 is 220111210202121.

121202012111022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 121202012110986 and 121202012111004.

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 23 ways as a sum of consecutive naturals, for example, 1220219479 + ... + 1220318802.

It is an arithmetic number, because the mean of its divisors is an integer number (5710859579880).

Almost surely, 2^{121202012111022} is an apocalyptic number.

121202012111022 is an abundant number, since it is smaller than the sum of its proper divisors (152919247723218).

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

121202012111022 is a wasteful number, since it uses less digits than its factorization.

121202012111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440538409 (or 2440538406 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121202012111022 its reverse (220111210202121), we get a palindrome (341313222313143).

The spelling of 121202012111022 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, one hundred eleven thousand, twenty-two".