202110122111122 has 32 divisors (see below), whose sum is σ = 310816804045104. Its totient is φ = 98508612787200.

The previous prime is 202110122111099. The next prime is 202110122111141. The reversal of 202110122111122 is 221111221011202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 124451181981361 + 77658940129761 = 11155769^2 + 8812431^2 .

It is a super-2 number, since 2×202110122111122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202110122111122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4486029948 + ... + 4486075000.

Almost surely, 2^{202110122111122} is an apocalyptic number.

202110122111122 is a deficient number, since it is larger than the sum of its proper divisors (108706681933982).

202110122111122 is a wasteful number, since it uses less digits than its factorization.

202110122111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89214.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202110122111122 its reverse (221111221011202), we get a palindrome (423221343122324).

The spelling of 202110122111122 in words is "two hundred two trillion, one hundred ten billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".