103121233020 has 72 divisors (see below), whose sum is σ = 336862702176. Its totient is φ = 25383687552.

The previous prime is 103121233013. The next prime is 103121233069. The reversal of 103121233020 is 20332121301.

103121233020 is a `hidden beast` number, since 1 + 0 + 312 + 1 + 2 + 330 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 103121232984 and 103121233002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22032112 + ... + 22036791.

Almost surely, 2^103121233020 is an apocalyptic number.

103121233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121233020 is an abundant number, since it is smaller than the sum of its proper divisors (233741469156).

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

103121233020 is a wasteful number, since it uses less digits than its factorization.

103121233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44068931 (or 44068926 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103121233020 its reverse (20332121301), we get a palindrome (123453354321).

The spelling of 103121233020 in words is "one hundred three billion, one hundred twenty-one million, two hundred thirty-three thousand, twenty".