102120211122199 has 8 divisors (see below), whose sum is σ = 105935137197120. Its totient is φ = 98368341676800.

The previous prime is 102120211122179. The next prime is 102120211122343. The reversal of 102120211122199 is 991221112021201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120211122199 - 2⁴³ = 93324118099991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120211122179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15764154082 + ... + 15764160559.

It is an arithmetic number, because the mean of its divisors is an integer number (13241892149640).

Almost surely, 2^{102120211122199} is an apocalyptic number.

102120211122199 is a deficient number, since it is larger than the sum of its proper divisors (3814926074921).

102120211122199 is an equidigital number, since it uses as much as digits as its factorization.

102120211122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31528314761.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 102120211122199 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven million, one hundred twenty-two thousand, one hundred ninety-nine".