102101121111212 has 6 divisors (see below), whose sum is σ = 178676961944628. Its totient is φ = 51050560555604.

The previous prime is 102101121111179. The next prime is 102101121111217. The reversal of 102101121111212 is 212111121101201.

It is not an unprimeable number, because it can be changed into a prime (102101121111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762640138898 + ... + 12762640138905.

It is an arithmetic number, because the mean of its divisors is an integer number (29779493657438).

Almost surely, 2^{102101121111212} is an apocalyptic number.

It is an amenable number.

102101121111212 is a deficient number, since it is larger than the sum of its proper divisors (76575840833416).

102101121111212 is a wasteful number, since it uses less digits than its factorization.

102101121111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25525280277807 (or 25525280277805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 102101121111212 its reverse (212111121101201), we get a palindrome (314212242212413).

The spelling of 102101121111212 in words is "one hundred two trillion, one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twelve".