2021120213130 has 256 divisors, whose sum is σ = 5607534182400. Its totient is φ = 517464495360.

The previous prime is 2021120213113. The next prime is 2021120213191. The reversal of 2021120213130 is 313120211202.

2021120213130 is a `hidden beast` number, since 202 + 1 + 120 + 213 + 130 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1131012097 + ... + 1131013883.

It is an arithmetic number, because the mean of its divisors is an integer number (21904430400).

Almost surely, 2^{2021120213130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021120213130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803767091200).

2021120213130 is an abundant number, since it is smaller than the sum of its proper divisors (3586413969270).

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

2021120213130 is a wasteful number, since it uses less digits than its factorization.

2021120213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021120213130 its reverse (313120211202), we get a palindrome (2334240424332).

The spelling of 2021120213130 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred thirteen thousand, one hundred thirty".