102111299 has 4 divisors (see below), whose sum is σ = 108117864. Its totient is φ = 96104736.

The previous prime is 102111293. The next prime is 102111319. The reversal of 102111299 is 992111201.

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 102111299 - 2¹⁶ = 102045763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111293) 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, 3003257 + ... + 3003290.

It is an arithmetic number, because the mean of its divisors is an integer number (27029466).

Almost surely, 2^102111299 is an apocalyptic number.

102111299 is a deficient number, since it is larger than the sum of its proper divisors (6006565).

102111299 is an equidigital number, since it uses as much as digits as its factorization.

102111299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006564.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 102111299 is about 10105.0135576356. The cubic root of 102111299 is about 467.4027540397.

The spelling of 102111299 in words is "one hundred two million, one hundred eleven thousand, two hundred ninety-nine".