321121020023122 has 64 divisors (see below), whose sum is σ = 560913988976640. Its totient is φ = 136259259091200.

The previous prime is 321121020023117. The next prime is 321121020023131. The reversal of 321121020023122 is 221320020121123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 321121020023093 and 321121020023102.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 174399279 + ... + 176230957.

It is an arithmetic number, because the mean of its divisors is an integer number (8764281077760).

Almost surely, 2^{321121020023122} is an apocalyptic number.

321121020023122 is a deficient number, since it is larger than the sum of its proper divisors (239792968953518).

321121020023122 is a wasteful number, since it uses less digits than its factorization.

321121020023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835527.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321121020023122 its reverse (221320020121123), we get a palindrome (542441040144245).

The spelling of 321121020023122 in words is "three hundred twenty-one trillion, one hundred twenty-one billion, twenty million, twenty-three thousand, one hundred twenty-two".