100102210202121 has 16 divisors (see below), whose sum is σ = 140526709881600. Its totient is φ = 63207877650768.

The previous prime is 100102210202087. The next prime is 100102210202167. The reversal of 100102210202121 is 121202012201001.

It is not a de Polignac number, because 100102210202121 - 2²³ = 100102201813513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100102210202121.

It is not an unprimeable number, because it can be changed into a prime (100102210202921) 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, 202124091 + ... + 202618736.

It is an arithmetic number, because the mean of its divisors is an integer number (8782919367600).

Almost surely, 2^{100102210202121} is an apocalyptic number.

It is an amenable number.

100102210202121 is a deficient number, since it is larger than the sum of its proper divisors (40424499679479).

100102210202121 is a wasteful number, since it uses less digits than its factorization.

100102210202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404747188.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100102210202121 its reverse (121202012201001), we get a palindrome (221304222403122).

The spelling of 100102210202121 in words is "one hundred trillion, one hundred two billion, two hundred ten million, two hundred two thousand, one hundred twenty-one".