112100111222021 has 16 divisors (see below), whose sum is σ = 122771786592000. Its totient is φ = 101721161095488.

The previous prime is 112100111222017. The next prime is 112100111222069. The reversal of 112100111222021 is 120222111001211.

It is a cyclic number.

It is not a de Polignac number, because 112100111222021 - 2² = 112100111222017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100111222081) 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 15 ways as a sum of consecutive naturals, for example, 37961540 + ... + 40807826.

It is an arithmetic number, because the mean of its divisors is an integer number (7673236662000).

Almost surely, 2^{112100111222021} is an apocalyptic number.

It is an amenable number.

112100111222021 is a deficient number, since it is larger than the sum of its proper divisors (10671675369979).

112100111222021 is a wasteful number, since it uses less digits than its factorization.

112100111222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897708.

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

Adding to 112100111222021 its reverse (120222111001211), we get a palindrome (232322222223232).

The spelling of 112100111222021 in words is "one hundred twelve trillion, one hundred billion, one hundred eleven million, two hundred twenty-two thousand, twenty-one".