221100112012022 has 16 divisors (see below), whose sum is σ = 343087567561440. Its totient is φ = 106737615866112.

The previous prime is 221100112012009. The next prime is 221100112012049. The reversal of 221100112012022 is 220210211001122.

221100112012022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10704998 + ... + 23596550.

It is an arithmetic number, because the mean of its divisors is an integer number (21442972972590).

Almost surely, 2^{221100112012022} is an apocalyptic number.

221100112012022 is a deficient number, since it is larger than the sum of its proper divisors (121987455549418).

221100112012022 is a wasteful number, since it uses less digits than its factorization.

221100112012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187287.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221100112012022 its reverse (220210211001122), we get a palindrome (441310323013144).

The spelling of 221100112012022 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twelve million, twelve thousand, twenty-two".