202112220112 has 40 divisors (see below), whose sum is σ = 427305775680. Its totient is φ = 91844666880.

The previous prime is 202112220053. The next prime is 202112220119. The reversal of 202112220112 is 211022211202.

It is a happy number.

It is a super-3 number, since 3×202112220112³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112220119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516189 + ... + 818947.

It is an arithmetic number, because the mean of its divisors is an integer number (10682644392).

Almost surely, 2^202112220112 is an apocalyptic number.

202112220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202112220112 is an abundant number, since it is smaller than the sum of its proper divisors (225193555568).

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

202112220112 is a wasteful number, since it uses less digits than its factorization.

202112220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306571 (or 306565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202112220112 its reverse (211022211202), we get a palindrome (413134431314).

It can be divided in two parts, 202112 and 220112, that added together give a palindrome (422224).

The spelling of 202112220112 in words is "two hundred two billion, one hundred twelve million, two hundred twenty thousand, one hundred twelve".