123110102101 has 4 divisors (see below), whose sum is σ = 140697259552. Its totient is φ = 105522944652.

The previous prime is 123110102069. The next prime is 123110102111. The reversal of 123110102101 is 101201011321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101201011321 = 33427 ⋅3027523.

It is a cyclic number.

It is not a de Polignac number, because 123110102101 - 2⁵ = 123110102069 is a prime.

It is a super-2 number, since 2×123110102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110102111) 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, 8793578715 + ... + 8793578728.

It is an arithmetic number, because the mean of its divisors is an integer number (35174314888).

Almost surely, 2^123110102101 is an apocalyptic number.

It is an amenable number.

123110102101 is a deficient number, since it is larger than the sum of its proper divisors (17587157451).

123110102101 is an equidigital number, since it uses as much as digits as its factorization.

123110102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17587157450.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 123110102101 its reverse (101201011321), we get a palindrome (224311113422).

The spelling of 123110102101 in words is "one hundred twenty-three billion, one hundred ten million, one hundred two thousand, one hundred one".