112211122010021 has 4 divisors (see below), whose sum is σ = 112213931753292. Its totient is φ = 112208312266752.

The previous prime is 112211122009993. The next prime is 112211122010027. The reversal of 112211122010021 is 120010221112211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36900643668100 + 75310478341921 = 6074590^2 + 8678161^2 .

It is a cyclic number.

It is not a de Polignac number, because 112211122010021 - 2⁶ = 112211122009957 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 (112211122010027) 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, 1404811730 + ... + 1404891603.

It is an arithmetic number, because the mean of its divisors is an integer number (28053482938323).

Almost surely, 2^{112211122010021} is an apocalyptic number.

It is an amenable number.

112211122010021 is a deficient number, since it is larger than the sum of its proper divisors (2809743271).

112211122010021 is an equidigital number, since it uses as much as digits as its factorization.

112211122010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809743270.

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

Adding to 112211122010021 its reverse (120010221112211), we get a palindrome (232221343122232).

The spelling of 112211122010021 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, ten thousand, twenty-one".