321213404323022 has 4 divisors (see below), whose sum is σ = 481820106484536. Its totient is φ = 160606702161510.

The previous prime is 321213404322893. The next prime is 321213404323043. The reversal of 321213404323022 is 220323404312123.

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

It is a super-2 number, since 2×321213404323022² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321213404323022.

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, 80303351080754 + ... + 80303351080757.

It is an arithmetic number, because the mean of its divisors is an integer number (120455026621134).

Almost surely, 2^{321213404323022} is an apocalyptic number.

321213404323022 is a deficient number, since it is larger than the sum of its proper divisors (160606702161514).

321213404323022 is a wasteful number, since it uses less digits than its factorization.

321213404323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160606702161513.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321213404323022 its reverse (220323404312123), we get a palindrome (541536808635145).

The spelling of 321213404323022 in words is "three hundred twenty-one trillion, two hundred thirteen billion, four hundred four million, three hundred twenty-three thousand, twenty-two".