120011102020 has 24 divisors (see below), whose sum is σ = 252033534144. Its totient is φ = 48002494176.

The previous prime is 120011102017. The next prime is 120011102053. The reversal of 120011102020 is 20201110021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120011101988 and 120011102006.

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, 449199 + ... + 664681.

It is an arithmetic number, because the mean of its divisors is an integer number (10501397256).

Almost surely, 2^120011102020 is an apocalyptic number.

120011102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011102020 is an abundant number, since it is smaller than the sum of its proper divisors (132022432124).

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

120011102020 is a wasteful number, since it uses less digits than its factorization.

120011102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243339 (or 243337 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120011102020 its reverse (20201110021), we get a palindrome (140212212041).

The spelling of 120011102020 in words is "one hundred twenty billion, eleven million, one hundred two thousand, twenty".