102111133111 has 8 divisors (see below), whose sum is σ = 110024447904. Its totient is φ = 94206191520.

The previous prime is 102111133099. The next prime is 102111133123. The reversal of 102111133111 is 111331111201.

It is an interprime number because it is at equal distance from previous prime (102111133099) and next prime (102111133123).

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 102111133111 - 2³⁵ = 67751394743 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 (102111133171) 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, 2067955 + ... + 2116756.

It is an arithmetic number, because the mean of its divisors is an integer number (13753055988).

Almost surely, 2^102111133111 is an apocalyptic number.

102111133111 is a deficient number, since it is larger than the sum of its proper divisors (7913314793).

102111133111 is a wasteful number, since it uses less digits than its factorization.

102111133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186601.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 102111133111 its reverse (111331111201), we get a palindrome (213442244312).

The spelling of 102111133111 in words is "one hundred two billion, one hundred eleven million, one hundred thirty-three thousand, one hundred eleven".