102021222221002 has 32 divisors (see below), whose sum is σ = 176047474337280. Its totient is φ = 43435408947840.

The previous prime is 102021222220909. The next prime is 102021222221041. The reversal of 102021222221002 is 200122222120201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19109602 + ... + 23858317.

It is an arithmetic number, because the mean of its divisors is an integer number (5501483573040).

Almost surely, 2^{102021222221002} is an apocalyptic number.

102021222221002 is a deficient number, since it is larger than the sum of its proper divisors (74026252116278).

102021222221002 is a wasteful number, since it uses less digits than its factorization.

102021222221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42969046.

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

Adding to 102021222221002 its reverse (200122222120201), we get a palindrome (302143444341203).

The spelling of 102021222221002 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two".