1000442122131 has 4 divisors (see below), whose sum is σ = 1333922829512. Its totient is φ = 666961414752.

The previous prime is 1000442122117. The next prime is 1000442122171. The reversal of 1000442122131 is 1312212440001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000442122131 - 2³⁷ = 863003168659 is a prime.

It is a super-2 number, since 2×1000442122131² (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 = 1000442122098 and 1000442122107.

It is not an unprimeable number, because it can be changed into a prime (1000442122111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166740353686 + ... + 166740353691.

It is an arithmetic number, because the mean of its divisors is an integer number (333480707378).

Almost surely, 2^{1000442122131} is an apocalyptic number.

1000442122131 is a deficient number, since it is larger than the sum of its proper divisors (333480707381).

1000442122131 is an equidigital number, since it uses as much as digits as its factorization.

1000442122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333480707380.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1000442122131 its reverse (1312212440001), we get a palindrome (2312654562132).

The spelling of 1000442122131 in words is "one trillion, four hundred forty-two million, one hundred twenty-two thousand, one hundred thirty-one".