112100212221111 has 16 divisors (see below), whose sum is σ = 166076759677920. Its totient is φ = 74732407773120.

The previous prime is 112100212221097. The next prime is 112100212221133. The reversal of 112100212221111 is 111122212001211.

It is a happy number.

112100212221111 is a `hidden beast` number, since 1 + 121 + 0 + 0 + 212 + 221 + 111 = 666.

It is not a de Polignac number, because 112100212221111 - 2¹⁵ = 112100212188343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100212229111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27711700 + ... + 31498233.

It is an arithmetic number, because the mean of its divisors is an integer number (10379797479870).

Almost surely, 2^{112100212221111} is an apocalyptic number.

112100212221111 is a deficient number, since it is larger than the sum of its proper divisors (53976547456809).

112100212221111 is an equidigital number, since it uses as much as digits as its factorization.

112100212221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59280063 (or 59280057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112100212221111 its reverse (111122212001211), we get a palindrome (223222424222322).

The spelling of 112100212221111 in words is "one hundred twelve trillion, one hundred billion, two hundred twelve million, two hundred twenty-one thousand, one hundred eleven".