100000210102121 has 16 divisors (see below), whose sum is σ = 116624156534400. Its totient is φ = 85710176551440.

The previous prime is 100000210102109. The next prime is 100000210102139. The reversal of 100000210102121 is 121201012000001.

It is not a de Polignac number, because 100000210102121 - 2¹⁸ = 100000209839977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000210102151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420866 + ... + 14148411.

It is an arithmetic number, because the mean of its divisors is an integer number (7289009783400).

Almost surely, 2^{100000210102121} is an apocalyptic number.

It is an amenable number.

100000210102121 is a deficient number, since it is larger than the sum of its proper divisors (16623946432279).

100000210102121 is an equidigital number, since it uses as much as digits as its factorization.

100000210102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589309 (or 14589295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100000210102121 its reverse (121201012000001), we get a palindrome (221201222102122).

The spelling of 100000210102121 in words is "one hundred trillion, two hundred ten million, one hundred two thousand, one hundred twenty-one".