1020011130120 has 64 divisors (see below), whose sum is σ = 3060164733120. Its totient is φ = 271991293184.

The previous prime is 1020011130077. The next prime is 1020011130169. The reversal of 1020011130120 is 210311100201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1020011130096 and 1020011130105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2831647 + ... + 3171473.

It is an arithmetic number, because the mean of its divisors is an integer number (47815073955).

Almost surely, 2^{1020011130120} is an apocalyptic number.

1020011130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020011130120 is an abundant number, since it is smaller than the sum of its proper divisors (2040153603000).

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

1020011130120 is a wasteful number, since it uses less digits than its factorization.

1020011130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364854 (or 364850 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1020011130120 its reverse (210311100201), we get a palindrome (1230322230321).

The spelling of 1020011130120 in words is "one trillion, twenty billion, eleven million, one hundred thirty thousand, one hundred twenty".