101030123112 has 32 divisors (see below), whose sum is σ = 256856248800. Its totient is φ = 33105915584.

The previous prime is 101030123093. The next prime is 101030123203. The reversal of 101030123112 is 211321030101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101030123091 and 101030123100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35673063 + ... + 35675894.

It is an arithmetic number, because the mean of its divisors is an integer number (8026757775).

Almost surely, 2^101030123112 is an apocalyptic number.

101030123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101030123112 is an abundant number, since it is smaller than the sum of its proper divisors (155826125688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101030123112 is a wasteful number, since it uses less digits than its factorization.

101030123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71349025 (or 71349021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101030123112 its reverse (211321030101), we get a palindrome (312351153213).

The spelling of 101030123112 in words is "one hundred one billion, thirty million, one hundred twenty-three thousand, one hundred twelve".