2021130121230 has 96 divisors (see below), whose sum is σ = 5761467878400. Its totient is φ = 487508725440.

The previous prime is 2021130121229. The next prime is 2021130121237. The reversal of 2021130121230 is 321210311202.

2021130121230 is a `hidden beast` number, since 202 + 113 + 0 + 121 + 230 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021130121237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4932502 + ... + 5326521.

It is an arithmetic number, because the mean of its divisors is an integer number (60015290400).

Almost surely, 2^{2021130121230} is an apocalyptic number.

2021130121230 is an abundant number, since it is smaller than the sum of its proper divisors (3740337757170).

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

2021130121230 is a wasteful number, since it uses less digits than its factorization.

2021130121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259246 (or 10259243 counting only the distinct ones).

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

Adding to 2021130121230 its reverse (321210311202), we get a palindrome (2342340432432).

The spelling of 2021130121230 in words is "two trillion, twenty-one billion, one hundred thirty million, one hundred twenty-one thousand, two hundred thirty".