1001122232131 has 16 divisors (see below), whose sum is σ = 1164099143680. Its totient is φ = 843164290080.

The previous prime is 1001122232119. The next prime is 1001122232137. The reversal of 1001122232131 is 1312322211001.

It is not a de Polignac number, because 1001122232131 - 2⁹ = 1001122231619 is a prime.

It is a super-2 number, since 2×1001122232131² (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 = 1001122232099 and 1001122232108.

It is not an unprimeable number, because it can be changed into a prime (1001122232137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799371 + ... + 1625188.

It is an arithmetic number, because the mean of its divisors is an integer number (72756196480).

Almost surely, 2^{1001122232131} is an apocalyptic number.

1001122232131 is a deficient number, since it is larger than the sum of its proper divisors (162976911549).

1001122232131 is an equidigital number, since it uses as much as digits as its factorization.

1001122232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425594.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1001122232131 its reverse (1312322211001), we get a palindrome (2313444443132).

The spelling of 1001122232131 in words is "one trillion, one billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".