1011120102020 has 96 divisors (see below), whose sum is σ = 2624103724032. Its totient is φ = 319335303168.

The previous prime is 1011120102001. The next prime is 1011120102043. The reversal of 1011120102020 is 202010211101.

It is a junction number, because it is equal to n+sod(n) for n = 1011120101992 and 1011120102010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4407719 + ... + 4631438.

It is an arithmetic number, because the mean of its divisors is an integer number (27334413792).

Almost surely, 2^{1011120102020} is an apocalyptic number.

1011120102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011120102020 is an abundant number, since it is smaller than the sum of its proper divisors (1612983622012).

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

1011120102020 is a wasteful number, since it uses less digits than its factorization.

1011120102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039237 (or 9039235 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011120102020 its reverse (202010211101), we get a palindrome (1213130313121).

The spelling of 1011120102020 in words is "one trillion, eleven billion, one hundred twenty million, one hundred two thousand, twenty".