202011100112 has 20 divisors (see below), whose sum is σ = 396758104740. Its totient is φ = 99621911808.

The previous prime is 202011100103. The next prime is 202011100121. The reversal of 202011100112 is 211001110202.

It is an interprime number because it is at equal distance from previous prime (202011100103) and next prime (202011100121).

It can be written as a sum of positive squares in 2 ways, for example, as 36635491216 + 165375608896 = 191404^2 + 406664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202011100093 and 202011100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86476187 + ... + 86478522.

It is an arithmetic number, because the mean of its divisors is an integer number (19837905237).

Almost surely, 2^202011100112 is an apocalyptic number.

It is an amenable number.

202011100112 is a deficient number, since it is larger than the sum of its proper divisors (194747004628).

202011100112 is a wasteful number, since it uses less digits than its factorization.

202011100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172954790 (or 172954784 counting only the distinct ones).

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

Adding to 202011100112 its reverse (211001110202), we get a palindrome (413012210314).

The spelling of 202011100112 in words is "two hundred two billion, eleven million, one hundred thousand, one hundred twelve".