102021212100202 has 16 divisors (see below), whose sum is σ = 166282450963200. Its totient is φ = 46766939332320.

The previous prime is 102021212100191. The next prime is 102021212100211. The reversal of 102021212100202 is 202001212120201.

It is a happy 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, 43302720427 + ... + 43302722782.

It is an arithmetic number, because the mean of its divisors is an integer number (10392653185200).

Almost surely, 2^{102021212100202} is an apocalyptic number.

102021212100202 is a deficient number, since it is larger than the sum of its proper divisors (64261238862998).

102021212100202 is a wasteful number, since it uses less digits than its factorization.

102021212100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86605443261.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102021212100202 its reverse (202001212120201), we get a palindrome (304022424220403).

The spelling of 102021212100202 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred thousand, two hundred two".