202112120121110 has 16 divisors (see below), whose sum is σ = 367889477076000. Its totient is φ = 79936478968896.

The previous prime is 202112120121101. The next prime is 202112120121139. The reversal of 202112120121110 is 11121021211202.

It is a super-3 number, since 3×202112120121110³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113546134010 + ... + 113546135789.

It is an arithmetic number, because the mean of its divisors is an integer number (22993092317250).

Almost surely, 2^{202112120121110} is an apocalyptic number.

202112120121110 is a deficient number, since it is larger than the sum of its proper divisors (165777356954890).

202112120121110 is a wasteful number, since it uses less digits than its factorization.

202112120121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227092269895.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202112120121110 its reverse (11121021211202), we get a palindrome (213233141332312).

The spelling of 202112120121110 in words is "two hundred two trillion, one hundred twelve billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ten".