2021313221132 has 6 divisors (see below), whose sum is σ = 3537298136988. Its totient is φ = 1010656610564.

The previous prime is 2021313221131. The next prime is 2021313221141. The reversal of 2021313221132 is 2311223131202.

It is a super-2 number, since 2×2021313221132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021313221098 and 2021313221107.

It is not an unprimeable number, because it can be changed into a prime (2021313221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252664152638 + ... + 252664152645.

It is an arithmetic number, because the mean of its divisors is an integer number (589549689498).

Almost surely, 2^{2021313221132} is an apocalyptic number.

It is an amenable number.

2021313221132 is a deficient number, since it is larger than the sum of its proper divisors (1515984915856).

2021313221132 is a wasteful number, since it uses less digits than its factorization.

2021313221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505328305287 (or 505328305285 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2021313221132 its reverse (2311223131202), we get a palindrome (4332536352334).

The spelling of 2021313221132 in words is "two trillion, twenty-one billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-two".