102221200021002 has 16 divisors (see below), whose sum is σ = 204520520975232. Its totient is φ = 34060713184800.

The previous prime is 102221200020949. The next prime is 102221200021037. The reversal of 102221200021002 is 200120002122201.

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, 3255021874 + ... + 3255053277.

It is an arithmetic number, because the mean of its divisors is an integer number (12782532560952).

Almost surely, 2^{102221200021002} is an apocalyptic number.

102221200021002 is an abundant number, since it is smaller than the sum of its proper divisors (102299320954230).

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

102221200021002 is a wasteful number, since it uses less digits than its factorization.

102221200021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510077773.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102221200021002 its reverse (200120002122201), we get a palindrome (302341202143203).

The spelling of 102221200021002 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred million, twenty-one thousand, two".