1321435554022 has 4 divisors (see below), whose sum is σ = 1982153331036. Its totient is φ = 660717777010.

The previous prime is 1321435553993. The next prime is 1321435554269. The reversal of 1321435554022 is 2204555341231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330358888504 + ... + 330358888507.

It is an arithmetic number, because the mean of its divisors is an integer number (495538332759).

Almost surely, 2^{1321435554022} is an apocalyptic number.

1321435554022 is a deficient number, since it is larger than the sum of its proper divisors (660717777014).

1321435554022 is an equidigital number, since it uses as much as digits as its factorization.

1321435554022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660717777013.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1321435554022 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-five million, five hundred fifty-four thousand, twenty-two".