2021422142131 has 8 divisors (see below), whose sum is σ = 2314613940224. Its totient is φ = 1729334645640.

The previous prime is 2021422142071. The next prime is 2021422142279. The reversal of 2021422142131 is 1312412241202.

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

It is not a de Polignac number, because 2021422142131 - 2³¹ = 2019274658483 is a prime.

It is a super-2 number, since 2×2021422142131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021422142096 and 2021422142105.

It is not an unprimeable number, because it can be changed into a prime (2021422148131) 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, 276071475 + ... + 276078796.

It is an arithmetic number, because the mean of its divisors is an integer number (289326742528).

Almost surely, 2^{2021422142131} is an apocalyptic number.

2021422142131 is a deficient number, since it is larger than the sum of its proper divisors (293191798093).

2021422142131 is an equidigital number, since it uses as much as digits as its factorization.

2021422142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552150801.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2021422142131 its reverse (1312412241202), we get a palindrome (3333834383333).

The spelling of 2021422142131 in words is "two trillion, twenty-one billion, four hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-one".