1011020010120 has 160 divisors (see below), whose sum is σ = 3577000838400. Its totient is φ = 255415565952.

The previous prime is 1011020010109. The next prime is 1011020010157. The reversal of 1011020010120 is 210100201101.

It is a happy number.

1011020010120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011020010120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8150104 + ... + 8273223.

It is an arithmetic number, because the mean of its divisors is an integer number (22356255240).

Almost surely, 2^{1011020010120} is an apocalyptic number.

1011020010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011020010120 is an abundant number, since it is smaller than the sum of its proper divisors (2565980828280).

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

1011020010120 is a wasteful number, since it uses less digits than its factorization.

1011020010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16423369 (or 16423356 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011020010120 its reverse (210100201101), we get a palindrome (1221120211221).

The spelling of 1011020010120 in words is "one trillion, eleven billion, twenty million, ten thousand, one hundred twenty".