102100110121099 has 4 divisors (see below), whose sum is σ = 102101017121136. Its totient is φ = 102099203121064.

The previous prime is 102100110121057. The next prime is 102100110121181. The reversal of 102100110121099 is 990121011001201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100110121099 - 2⁷ = 102100110120971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100110121199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453331144 + ... + 453556309.

It is an arithmetic number, because the mean of its divisors is an integer number (25525254280284).

Almost surely, 2^{102100110121099} is an apocalyptic number.

102100110121099 is a deficient number, since it is larger than the sum of its proper divisors (907000037).

102100110121099 is an equidigital number, since it uses as much as digits as its factorization.

102100110121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907000036.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 102100110121099 in words is "one hundred two trillion, one hundred billion, one hundred ten million, one hundred twenty-one thousand, ninety-nine".