202012101211122 has 40 divisors (see below), whose sum is σ = 452661871549932. Its totient is φ = 67336604488800.

The previous prime is 202012101211121. The next prime is 202012101211139. The reversal of 202012101211122 is 221112101210202.

202012101211122 is a `hidden beast` number, since 20 + 201 + 210 + 1 + 211 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157205932636041 + 44806168575081 = 12538179^2 + 6693741^2 .

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 = 202012101211095 and 202012101211104.

It is not an unprimeable number, because it can be changed into a prime (202012101211121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7378972 + ... + 21411992.

Almost surely, 2^{202012101211122} is an apocalyptic number.

202012101211122 is an abundant number, since it is smaller than the sum of its proper divisors (250649770338810).

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

202012101211122 is a wasteful number, since it uses less digits than its factorization.

202012101211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121896 (or 14121887 counting only the distinct ones).

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

Adding to 202012101211122 its reverse (221112101210202), we get a palindrome (423124202421324).

The spelling of 202012101211122 in words is "two hundred two trillion, twelve billion, one hundred one million, two hundred eleven thousand, one hundred twenty-two".