112203311312021 has 4 divisors (see below), whose sum is σ = 113623606392000. Its totient is φ = 110783016232044.

The previous prime is 112203311311997. The next prime is 112203311312023. The reversal of 112203311312021 is 120213113302211.

It is a happy number.

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 112203311312021 - 2¹⁰ = 112203311310997 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 (112203311312023) 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, 710147539871 + ... + 710147540028.

It is an arithmetic number, because the mean of its divisors is an integer number (28405901598000).

Almost surely, 2^{112203311312021} is an apocalyptic number.

It is an amenable number.

112203311312021 is a deficient number, since it is larger than the sum of its proper divisors (1420295079979).

112203311312021 is an equidigital number, since it uses as much as digits as its factorization.

112203311312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420295079978.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 112203311312021 its reverse (120213113302211), we get a palindrome (232416424614232).

The spelling of 112203311312021 in words is "one hundred twelve trillion, two hundred three billion, three hundred eleven million, three hundred twelve thousand, twenty-one".