221002022220112 has 80 divisors (see below), whose sum is σ = 489966662983680. Its totient is φ = 94598063404416.

The previous prime is 221002022220073. The next prime is 221002022220113. The reversal of 221002022220112 is 211022220200122.

It is a super-3 number, since 3×221002022220112³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221002022220112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002022220113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468347453 + ... + 1468497955.

It is an arithmetic number, because the mean of its divisors is an integer number (6124583287296).

Almost surely, 2^{221002022220112} is an apocalyptic number.

It is an amenable number.

221002022220112 is an abundant number, since it is smaller than the sum of its proper divisors (268964640763568).

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

221002022220112 is a wasteful number, since it uses less digits than its factorization.

221002022220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166640 (or 166634 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002022220112 its reverse (211022220200122), we get a palindrome (432024242420234).

The spelling of 221002022220112 in words is "two hundred twenty-one trillion, two billion, twenty-two million, two hundred twenty thousand, one hundred twelve".