221010000011112 has 64 divisors (see below), whose sum is σ = 595031560200000. Its totient is φ = 68002546973184.

The previous prime is 221010000011111. The next prime is 221010000011179. The reversal of 221010000011112 is 211110000010122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (221010000011111) 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, 38317639 + ... + 43706537.

It is an arithmetic number, because the mean of its divisors is an integer number (9297368128125).

Almost surely, 2^{221010000011112} is an apocalyptic number.

It is an amenable number.

221010000011112 is an abundant number, since it is smaller than the sum of its proper divisors (374021560188888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010000011112 is a wasteful number, since it uses less digits than its factorization.

221010000011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520370 (or 5520366 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221010000011112 its reverse (211110000010122), we get a palindrome (432120000021234).

The spelling of 221010000011112 in words is "two hundred twenty-one trillion, ten billion, eleven thousand, one hundred twelve".