1001001222131 has 12 divisors (see below), whose sum is σ = 1074364450200. Its totient is φ = 932243758848.

The previous prime is 1001001222077. The next prime is 1001001222181. The reversal of 1001001222131 is 1312221001001.

It is not a de Polignac number, because 1001001222131 - 2¹⁴ = 1001001205747 is a prime.

It is a super-2 number, since 2×1001001222131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001001222181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23477486 + ... + 23520083.

It is an arithmetic number, because the mean of its divisors is an integer number (89530370850).

Almost surely, 2^{1001001222131} is an apocalyptic number.

1001001222131 is a deficient number, since it is larger than the sum of its proper divisors (73363228069).

1001001222131 is an equidigital number, since it uses as much as digits as its factorization.

1001001222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46997666 (or 46997647 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001001222131 its reverse (1312221001001), we get a palindrome (2313222223132).

It can be divided in two parts, 100100 and 1222131, that added together give a palindrome (1322231).

The spelling of 1001001222131 in words is "one trillion, one billion, one million, two hundred twenty-two thousand, one hundred thirty-one".