112100311621 has 2 divisors, whose sum is σ = 112100311622. Its totient is φ = 112100311620.

The previous prime is 112100311601. The next prime is 112100311649. The reversal of 112100311621 is 126113001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103948208100 + 8152103521 = 322410^2 + 90289^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100311621 - 2²⁷ = 111966093893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100311601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050155810 + 56050155811.

It is an arithmetic number, because the mean of its divisors is an integer number (56050155811).

Almost surely, 2^112100311621 is an apocalyptic number.

It is an amenable number.

112100311621 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100311621 is an equidigital number, since it uses as much as digits as its factorization.

112100311621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 112100311621 its reverse (126113001211), we get a palindrome (238213312832).

The spelling of 112100311621 in words is "one hundred twelve billion, one hundred million, three hundred eleven thousand, six hundred twenty-one".