202112220113 has 4 divisors (see below), whose sum is σ = 210899707968. Its totient is φ = 193324732260.

The previous prime is 202112220053. The next prime is 202112220119. The reversal of 202112220113 is 311022211202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202112220113 - 2¹⁴ = 202112203729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202112220091 and 202112220100.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393743893 + ... + 4393743938.

It is an arithmetic number, because the mean of its divisors is an integer number (52724926992).

Almost surely, 2^202112220113 is an apocalyptic number.

202112220113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202112220113 is a deficient number, since it is larger than the sum of its proper divisors (8787487855).

202112220113 is an equidigital number, since it uses as much as digits as its factorization.

202112220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787487854.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202112220113 its reverse (311022211202), we get a palindrome (513134431315).

The spelling of 202112220113 in words is "two hundred two billion, one hundred twelve million, two hundred twenty thousand, one hundred thirteen".