103100021123112 has 80 divisors (see below), whose sum is σ = 310989023854740. Its totient is φ = 31723083419904.

The previous prime is 103100021123053. The next prime is 103100021123131. The reversal of 103100021123112 is 211321120001301.

103100021123112 is a `hidden beast` number, since 10 + 310 + 0 + 0 + 21 + 12 + 311 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85677127365636 + 17422893757476 = 9256194^2 + 4174074^2 .

It is a super-2 number, since 2×103100021123112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6119413533 + ... + 6119430380.

Almost surely, 2^{103100021123112} is an apocalyptic number.

103100021123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103100021123112 is an abundant number, since it is smaller than the sum of its proper divisors (207889002731628).

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

103100021123112 is a wasteful number, since it uses less digits than its factorization.

103100021123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12238843944 (or 12238843931 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 103100021123112 its reverse (211321120001301), we get a palindrome (314421141124413).

The spelling of 103100021123112 in words is "one hundred three trillion, one hundred billion, twenty-one million, one hundred twenty-three thousand, one hundred twelve".