202102111010 has 16 divisors (see below), whose sum is σ = 365507897472. Its totient is φ = 80457711600.

The previous prime is 202102110979. The next prime is 202102111027. The reversal of 202102111010 is 10111201202.

It is a junction number, because it is equal to n+sod(n) for n = 202102110982 and 202102111000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47889386 + ... + 47893605.

It is an arithmetic number, because the mean of its divisors is an integer number (22844243592).

Almost surely, 2^202102111010 is an apocalyptic number.

202102111010 is a deficient number, since it is larger than the sum of its proper divisors (163405786462).

202102111010 is a wasteful number, since it uses less digits than its factorization.

202102111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95783209.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202102111010 its reverse (10111201202), we get a palindrome (212213312212).

The spelling of 202102111010 in words is "two hundred two billion, one hundred two million, one hundred eleven thousand, ten".