102111110201123 has 4 divisors (see below), whose sum is σ = 102116186082960. Its totient is φ = 102106034319288.

The previous prime is 102111110201117. The next prime is 102111110201129. The reversal of 102111110201123 is 321102011111201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102111110201117) and next prime (102111110201129).

It is a cyclic number.

It is not a de Polignac number, because 102111110201123 - 2⁶ = 102111110201059 is a prime.

It is a super-2 number, since 2×102111110201123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111110201129) 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, 2537910743 + ... + 2537950976.

It is an arithmetic number, because the mean of its divisors is an integer number (25529046520740).

Almost surely, 2^{102111110201123} is an apocalyptic number.

102111110201123 is a deficient number, since it is larger than the sum of its proper divisors (5075881837).

102111110201123 is an equidigital number, since it uses as much as digits as its factorization.

102111110201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075881836.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 102111110201123 its reverse (321102011111201), we get a palindrome (423213121312324).

The spelling of 102111110201123 in words is "one hundred two trillion, one hundred eleven billion, one hundred ten million, two hundred one thousand, one hundred twenty-three".