102021211202102 has 16 divisors (see below), whose sum is σ = 159687175304160. Its totient is φ = 48792202802112.

The previous prime is 102021211202087. The next prime is 102021211202123. The reversal of 102021211202102 is 201202112120201.

It is a super-2 number, since 2×102021211202102² (a number of 29 digits) contains 22 as substring.

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, 8371613 + ... + 16556760.

It is an arithmetic number, because the mean of its divisors is an integer number (9980448456510).

Almost surely, 2^{102021211202102} is an apocalyptic number.

102021211202102 is a deficient number, since it is larger than the sum of its proper divisors (57665964102058).

102021211202102 is a wasteful number, since it uses less digits than its factorization.

102021211202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25017367.

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

Adding to 102021211202102 its reverse (201202112120201), we get a palindrome (303223323322303).

The spelling of 102021211202102 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, two hundred two thousand, one hundred two".