221102112222122 has 32 divisors (see below), whose sum is σ = 341998101172224. Its totient is φ = 107138576592000.

The previous prime is 221102112222109. The next prime is 221102112222181. The reversal of 221102112222122 is 221222211201122.

It is a super-2 number, since 2×221102112222122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964356503 + ... + 964585749.

It is an arithmetic number, because the mean of its divisors is an integer number (10687440661632).

Almost surely, 2^{221102112222122} is an apocalyptic number.

221102112222122 is a deficient number, since it is larger than the sum of its proper divisors (120895988950102).

221102112222122 is a wasteful number, since it uses less digits than its factorization.

221102112222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307334.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 221102112222122 its reverse (221222211201122), we get a palindrome (442324323423244).

The spelling of 221102112222122 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".