221120202100112 has 40 divisors (see below), whose sum is σ = 489635308584576. Its totient is φ = 94763477558016.

The previous prime is 221120202100093. The next prime is 221120202100123. The reversal of 221120202100112 is 211001202021122.

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, 19608893 + ... + 28753244.

Almost surely, 2^{221120202100112} is an apocalyptic number.

It is an amenable number.

221120202100112 is an abundant number, since it is smaller than the sum of its proper divisors (268515106484464).

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

221120202100112 is a wasteful number, since it uses less digits than its factorization.

221120202100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48402975 (or 48402969 counting only the distinct ones).

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

Adding to 221120202100112 its reverse (211001202021122), we get a palindrome (432121404121234).

The spelling of 221120202100112 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one hundred thousand, one hundred twelve".