222000110112221 has 32 divisors (see below), whose sum is σ = 254856802104576. Its totient is φ = 189430528896000.

The previous prime is 222000110112211. The next prime is 222000110112233. The reversal of 222000110112221 is 122211011000222.

It is a de Polignac number, because none of the positive numbers 2^k-222000110112221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222000110112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000110112211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8991122486 + ... + 8991147176.

It is an arithmetic number, because the mean of its divisors is an integer number (7964275065768).

Almost surely, 2^{222000110112221} is an apocalyptic number.

It is an amenable number.

222000110112221 is a deficient number, since it is larger than the sum of its proper divisors (32856691992355).

222000110112221 is a wasteful number, since it uses less digits than its factorization.

222000110112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29573.

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

Adding to 222000110112221 its reverse (122211011000222), we get a palindrome (344211121112443).

The spelling of 222000110112221 in words is "two hundred twenty-two trillion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".