102110133123 has 24 divisors (see below), whose sum is σ = 156215936448. Its totient is φ = 64049617152.

The previous prime is 102110133113. The next prime is 102110133133. The reversal of 102110133123 is 321331011201.

It is an interprime number because it is at equal distance from previous prime (102110133113) and next prime (102110133133).

It is not a de Polignac number, because 102110133123 - 2⁴ = 102110133107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102110133096 and 102110133105.

It is not an unprimeable number, because it can be changed into a prime (102110133113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411661 + ... + 611297.

It is an arithmetic number, because the mean of its divisors is an integer number (6508997352).

Almost surely, 2^102110133123 is an apocalyptic number.

102110133123 is a deficient number, since it is larger than the sum of its proper divisors (54105803325).

102110133123 is a wasteful number, since it uses less digits than its factorization.

102110133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203003 (or 203000 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 102110133123 its reverse (321331011201), we get a palindrome (423441144324).

The spelling of 102110133123 in words is "one hundred two billion, one hundred ten million, one hundred thirty-three thousand, one hundred twenty-three".