221000202112112 has 20 divisors (see below), whose sum is σ = 450724096413480. Its totient is φ = 104684306263488.

The previous prime is 221000202112051. The next prime is 221000202112117. The reversal of 221000202112112 is 211211202000122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000202112117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363487174223 + ... + 363487174830.

It is an arithmetic number, because the mean of its divisors is an integer number (22536204820674).

Almost surely, 2^{221000202112112} is an apocalyptic number.

It is an amenable number.

221000202112112 is an abundant number, since it is smaller than the sum of its proper divisors (229723894301368).

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

221000202112112 is a wasteful number, since it uses less digits than its factorization.

221000202112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726974349080 (or 726974349074 counting only the distinct ones).

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

Adding to 221000202112112 its reverse (211211202000122), we get a palindrome (432211404112234).

The spelling of 221000202112112 in words is "two hundred twenty-one trillion, two hundred two million, one hundred twelve thousand, one hundred twelve".