102111022199 has 4 divisors (see below), whose sum is σ = 105632091960. Its totient is φ = 98589952440.

The previous prime is 102111022129. The next prime is 102111022229. The reversal of 102111022199 is 991220111201.

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 102111022199 - 2¹² = 102111018103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3521069731 = 102111022199 / (1 + 0 + 2 + 1 + 1 + 1 + 0 + 2 + 2 + 1 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111022129) 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, 1760534837 + ... + 1760534894.

It is an arithmetic number, because the mean of its divisors is an integer number (26408022990).

Almost surely, 2^102111022199 is an apocalyptic number.

102111022199 is a deficient number, since it is larger than the sum of its proper divisors (3521069761).

102111022199 is an equidigital number, since it uses as much as digits as its factorization.

102111022199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521069760.

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

The spelling of 102111022199 in words is "one hundred two billion, one hundred eleven million, twenty-two thousand, one hundred ninety-nine".