221122101100112 has 20 divisors (see below), whose sum is σ = 428424371216256. Its totient is φ = 110560973044320.

The previous prime is 221122101100097. The next prime is 221122101100123. The reversal of 221122101100112 is 211001101221122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23839937 + ... + 31789727.

Almost surely, 2^{221122101100112} is an apocalyptic number.

It is an amenable number.

221122101100112 is a deficient number, since it is larger than the sum of its proper divisors (207302270116144).

221122101100112 is a wasteful number, since it uses less digits than its factorization.

221122101100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9688226 (or 9688220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221122101100112 its reverse (211001101221122), we get a palindrome (432123202321234).

The spelling of 221122101100112 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one hundred one million, one hundred thousand, one hundred twelve".