102100021112099 has 4 divisors (see below), whose sum is σ = 102100041649320. Its totient is φ = 102100000574880.

The previous prime is 102100021112087. The next prime is 102100021112113. The reversal of 102100021112099 is 990211120001201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102100021112099 is a prime.

It is a super-2 number, since 2×102100021112099² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100021112009) 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, 2391179 + ... + 14488539.

It is an arithmetic number, because the mean of its divisors is an integer number (25525010412330).

Almost surely, 2^{102100021112099} is an apocalyptic number.

102100021112099 is a deficient number, since it is larger than the sum of its proper divisors (20537221).

102100021112099 is an equidigital number, since it uses as much as digits as its factorization.

102100021112099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20537220.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 102100021112099 in words is "one hundred two trillion, one hundred billion, twenty-one million, one hundred twelve thousand, ninety-nine".