221002002132102 has 64 divisors (see below), whose sum is σ = 492766916463360. Its totient is φ = 73419997352832.

The previous prime is 221002002132091. The next prime is 221002002132151. The reversal of 221002002132102 is 201231200200122.

221002002132102 is a `hidden beast` number, since 22 + 100 + 200 + 21 + 321 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16604398 + ... + 26790110.

It is an arithmetic number, because the mean of its divisors is an integer number (7699483069740).

Almost surely, 2^{221002002132102} is an apocalyptic number.

221002002132102 is an abundant number, since it is smaller than the sum of its proper divisors (271764914331258).

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

221002002132102 is a wasteful number, since it uses less digits than its factorization.

221002002132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187074 (or 10187068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221002002132102 its reverse (201231200200122), we get a palindrome (422233202332224).

The spelling of 221002002132102 in words is "two hundred twenty-one trillion, two billion, two million, one hundred thirty-two thousand, one hundred two".