102101111111210 has 64 divisors (see below), whose sum is σ = 187973751513600. Its totient is φ = 39919404096000.

The previous prime is 102101111111143. The next prime is 102101111111213. The reversal of 102101111111210 is 12111111101201.

It is not an unprimeable number, because it can be changed into a prime (102101111111213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698967161 + ... + 699113219.

It is an arithmetic number, because the mean of its divisors is an integer number (2937089867400).

Almost surely, 2^{102101111111210} is an apocalyptic number.

102101111111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101111111210 is a deficient number, since it is larger than the sum of its proper divisors (85872640402390).

102101111111210 is a wasteful number, since it uses less digits than its factorization.

102101111111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155007.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102101111111210 its reverse (12111111101201), we get a palindrome (114212222212411).

The spelling of 102101111111210 in words is "one hundred two trillion, one hundred one billion, one hundred eleven million, one hundred eleven thousand, two hundred ten".