1000322031021 has 16 divisors (see below), whose sum is σ = 1445061651264. Its totient is φ = 613056455424.

The previous prime is 1000322031001. The next prime is 1000322031047. The reversal of 1000322031021 is 1201302230001.

It is not a de Polignac number, because 1000322031021 - 2¹⁰ = 1000322029997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000322031001) 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, 228069406 + ... + 228073791.

It is an arithmetic number, because the mean of its divisors is an integer number (90316353204).

Almost surely, 2^{1000322031021} is an apocalyptic number.

It is an amenable number.

1000322031021 is a deficient number, since it is larger than the sum of its proper divisors (444739620243).

1000322031021 is a wasteful number, since it uses less digits than its factorization.

1000322031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456143260.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1000322031021 its reverse (1201302230001), we get a palindrome (2201624261022).

The spelling of 1000322031021 in words is "one trillion, three hundred twenty-two million, thirty-one thousand, twenty-one".