102101021221010 has 256 divisors, whose sum is σ = 225860829511680. Its totient is φ = 32479574400000.

The previous prime is 102101021221007. The next prime is 102101021221021. The reversal of 102101021221010 is 10122120101201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25203903485 + ... + 25203907535.

It is an arithmetic number, because the mean of its divisors is an integer number (882268865280).

Almost surely, 2^{102101021221010} is an apocalyptic number.

102101021221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101021221010 is an abundant number, since it is smaller than the sum of its proper divisors (123759808290670).

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

102101021221010 is a wasteful number, since it uses less digits than its factorization.

102101021221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833.

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

Adding to 102101021221010 its reverse (10122120101201), we get a palindrome (112223141322211).

The spelling of 102101021221010 in words is "one hundred two trillion, one hundred one billion, twenty-one million, two hundred twenty-one thousand, ten".