1022212032321 has 4 divisors (see below), whose sum is σ = 1362949376432. Its totient is φ = 681474688212.

The previous prime is 1022212032307. The next prime is 1022212032329. The reversal of 1022212032321 is 1232302122201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1022212032321 - 2²² = 1022207838017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022212032329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170368672051 + ... + 170368672056.

It is an arithmetic number, because the mean of its divisors is an integer number (340737344108).

Almost surely, 2^{1022212032321} is an apocalyptic number.

It is an amenable number.

1022212032321 is a deficient number, since it is larger than the sum of its proper divisors (340737344111).

1022212032321 is an equidigital number, since it uses as much as digits as its factorization.

1022212032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340737344110.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1022212032321 its reverse (1232302122201), we get a palindrome (2254514154522).

The spelling of 1022212032321 in words is "one trillion, twenty-two billion, two hundred twelve million, thirty-two thousand, three hundred twenty-one".