202020102111110 has 32 divisors (see below), whose sum is σ = 365060556745920. Its totient is φ = 80491529797632.

The previous prime is 202020102111097. The next prime is 202020102111119. The reversal of 202020102111110 is 11111201020202.

It is a super-2 number, since 2×202020102111110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020102111119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 100283807 + ... + 102278453.

It is an arithmetic number, because the mean of its divisors is an integer number (11408142398310).

Almost surely, 2^{202020102111110} is an apocalyptic number.

202020102111110 is a deficient number, since it is larger than the sum of its proper divisors (163040454634810).

202020102111110 is a wasteful number, since it uses less digits than its factorization.

202020102111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034320.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202020102111110 its reverse (11111201020202), we get a palindrome (213131303131312).

The spelling of 202020102111110 in words is "two hundred two trillion, twenty billion, one hundred two million, one hundred eleven thousand, one hundred ten".