102100121010210 has 16 divisors (see below), whose sum is σ = 245040290424576. Its totient is φ = 27226698936048.

The previous prime is 102100121010169. The next prime is 102100121010221. The reversal of 102100121010210 is 12010121001201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701668683474 + ... + 1701668683533.

It is an arithmetic number, because the mean of its divisors is an integer number (15315018151536).

Almost surely, 2^{102100121010210} is an apocalyptic number.

102100121010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100121010210 is an abundant number, since it is smaller than the sum of its proper divisors (142940169414366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102100121010210 is a wasteful number, since it uses less digits than its factorization.

102100121010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403337367017.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102100121010210 its reverse (12010121001201), we get a palindrome (114110242011411).

Subtracting from 102100121010210 its reverse (12010121001201), we obtain a palindrome (90090000009009).

The spelling of 102100121010210 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, ten thousand, two hundred ten".