2021111033130 has 64 divisors (see below), whose sum is σ = 6159576487680. Its totient is φ = 461968235712.

The previous prime is 2021111033113. The next prime is 2021111033141. The reversal of 2021111033130 is 313301111202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534683569 + ... + 534687348.

It is an arithmetic number, because the mean of its divisors is an integer number (96243382620).

Almost surely, 2^{2021111033130} is an apocalyptic number.

2021111033130 is an abundant number, since it is smaller than the sum of its proper divisors (4138465454550).

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

2021111033130 is a wasteful number, since it uses less digits than its factorization.

2021111033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069370940 (or 1069370934 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2021111033130 its reverse (313301111202), we get a palindrome (2334412144332).

The spelling of 2021111033130 in words is "two trillion, twenty-one billion, one hundred eleven million, thirty-three thousand, one hundred thirty".