2021043022131 has 8 divisors (see below), whose sum is σ = 3079684605184. Its totient is φ = 1154881726920.

The previous prime is 2021043022121. The next prime is 2021043022139. The reversal of 2021043022131 is 1312203401202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021043022131 - 2⁷ = 2021043022003 is a prime.

It is a super-2 number, since 2×2021043022131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 96240143911 = 2021043022131 / (2 + 0 + 2 + 1 + 0 + 4 + 3 + 0 + 2 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021043022098 and 2021043022107.

It is not an unprimeable number, because it can be changed into a prime (2021043022139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48120071935 + ... + 48120071976.

It is an arithmetic number, because the mean of its divisors is an integer number (384960575648).

Almost surely, 2^{2021043022131} is an apocalyptic number.

2021043022131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2021043022131 is a deficient number, since it is larger than the sum of its proper divisors (1058641583053).

2021043022131 is an equidigital number, since it uses as much as digits as its factorization.

2021043022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96240143921.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021043022131 its reverse (1312203401202), we get a palindrome (3333246423333).

The spelling of 2021043022131 in words is "two trillion, twenty-one billion, forty-three million, twenty-two thousand, one hundred thirty-one".