102111349 has 8 divisors (see below), whose sum is σ = 105903000. Its totient is φ = 98337792.

The previous prime is 102111319. The next prime is 102111389. The reversal of 102111349 is 943111201.

It can be written as a sum of positive squares in 4 ways, for example, as 24354225 + 77757124 = 4935^2 + 8818^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111349 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 (102111319) 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, 7557 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (13237875).

Almost surely, 2^102111349 is an apocalyptic number.

It is an amenable number.

102111349 is a deficient number, since it is larger than the sum of its proper divisors (3791651).

102111349 is an equidigital number, since it uses as much as digits as its factorization.

102111349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 102111349 is about 10105.0160316548. The cubic root of 102111349 is about 467.4028303295.

The spelling of 102111349 in words is "one hundred two million, one hundred eleven thousand, three hundred forty-nine".