102001120021102 has 16 divisors (see below), whose sum is σ = 153628112211840. Its totient is φ = 50792164003768.

The previous prime is 102001120021063. The next prime is 102001120021139. The reversal of 102001120021102 is 201120021100201.

It is a congruent number.

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, 103187578 + ... + 104171389.

It is an arithmetic number, because the mean of its divisors is an integer number (9601757013240).

Almost surely, 2^{102001120021102} is an apocalyptic number.

102001120021102 is a deficient number, since it is larger than the sum of its proper divisors (51626992190738).

102001120021102 is a wasteful number, since it uses less digits than its factorization.

102001120021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207359975.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102001120021102 its reverse (201120021100201), we get a palindrome (303121141121303).

The spelling of 102001120021102 in words is "one hundred two trillion, one billion, one hundred twenty million, twenty-one thousand, one hundred two".