20111112110202 has 32 divisors (see below), whose sum is σ = 42641869807104. Its totient is φ = 6312118881600.

The previous prime is 20111112110161. The next prime is 20111112110207. The reversal of 20111112110202 is 20201121111102.

It is a happy number.

It is a super-2 number, since 2×20111112110202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20111112110207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461131749 + ... + 1461145512.

It is an arithmetic number, because the mean of its divisors is an integer number (1332558431472).

Almost surely, 2^{20111112110202} is an apocalyptic number.

20111112110202 is an abundant number, since it is smaller than the sum of its proper divisors (22530757696902).

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

20111112110202 is a wasteful number, since it uses less digits than its factorization.

20111112110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922277334.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20111112110202 its reverse (20201121111102), we get a palindrome (40312233221304).

The spelling of 20111112110202 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, two hundred two".