102111202120202 has 16 divisors (see below), whose sum is σ = 167234730505632. Its totient is φ = 46374273756720.

The previous prime is 102111202120183. The next prime is 102111202120229. The reversal of 102111202120202 is 202021202111201.

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, 1995425093 + ... + 1995476264.

It is an arithmetic number, because the mean of its divisors is an integer number (10452170656602).

Almost surely, 2^{102111202120202} is an apocalyptic number.

102111202120202 is a deficient number, since it is larger than the sum of its proper divisors (65123528385430).

102111202120202 is a wasteful number, since it uses less digits than its factorization.

102111202120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990902533.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102111202120202 its reverse (202021202111201), we get a palindrome (304132404231403).

Subtracting 102111202120202 from its reverse (202021202111201), we obtain a palindrome (99909999990999).

The spelling of 102111202120202 in words is "one hundred two trillion, one hundred eleven billion, two hundred two million, one hundred twenty thousand, two hundred two".