102021110102012 has 12 divisors (see below), whose sum is σ = 178556039646600. Its totient is φ = 51005098774416.

The previous prime is 102021110102011. The next prime is 102021110102029. The reversal of 102021110102012 is 210201011120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021110102011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364027078 + ... + 1364101869.

It is an arithmetic number, because the mean of its divisors is an integer number (14879669970550).

Almost surely, 2^{102021110102012} is an apocalyptic number.

It is an amenable number.

102021110102012 is a deficient number, since it is larger than the sum of its proper divisors (76534929544588).

102021110102012 is a wasteful number, since it uses less digits than its factorization.

102021110102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728138300 (or 2728138298 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021110102012 its reverse (210201011120201), we get a palindrome (312222121222213).

The spelling of 102021110102012 in words is "one hundred two trillion, twenty-one billion, one hundred ten million, one hundred two thousand, twelve".