112212200111021 has 4 divisors (see below), whose sum is σ = 112212232724544. Its totient is φ = 112212167497500.

The previous prime is 112212200110991. The next prime is 112212200111041. The reversal of 112212200111021 is 120111002212211.

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 112212200111021 - 2¹⁸ = 112212199848877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212200111041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442885 + ... + 18261386.

It is an arithmetic number, because the mean of its divisors is an integer number (28053058181136).

Almost surely, 2^{112212200111021} is an apocalyptic number.

It is an amenable number.

112212200111021 is a deficient number, since it is larger than the sum of its proper divisors (32613523).

112212200111021 is an equidigital number, since it uses as much as digits as its factorization.

112212200111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32613522.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112212200111021 its reverse (120111002212211), we get a palindrome (232323202323232).

The spelling of 112212200111021 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred million, one hundred eleven thousand, twenty-one".