102121111002210 has 16 divisors (see below), whose sum is σ = 245090666405376. Its totient is φ = 27232296267248.

The previous prime is 102121111002203. The next prime is 102121111002259. The reversal of 102121111002210 is 12200111121201.

It is a happy number.

102121111002210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102121111002210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702018516674 + ... + 1702018516733.

It is an arithmetic number, because the mean of its divisors is an integer number (15318166650336).

Almost surely, 2^{102121111002210} is an apocalyptic number.

102121111002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121111002210 is an abundant number, since it is smaller than the sum of its proper divisors (142969555403166).

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

102121111002210 is a wasteful number, since it uses less digits than its factorization.

102121111002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404037033417.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102121111002210 its reverse (12200111121201), we get a palindrome (114321222123411).

The spelling of 102121111002210 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred ten".