102111123299 has 4 divisors (see below), whose sum is σ = 102560952264. Its totient is φ = 101661294336.

The previous prime is 102111123263. The next prime is 102111123319. The reversal of 102111123299 is 992321111201.

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 102111123299 - 2⁸ = 102111123043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111123239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224914142 + ... + 224914595.

It is an arithmetic number, because the mean of its divisors is an integer number (25640238066).

Almost surely, 2^102111123299 is an apocalyptic number.

102111123299 is a deficient number, since it is larger than the sum of its proper divisors (449828965).

102111123299 is an equidigital number, since it uses as much as digits as its factorization.

102111123299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449828964.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 102111123299 in words is "one hundred two billion, one hundred eleven million, one hundred twenty-three thousand, two hundred ninety-nine".