321242121211754 has 16 divisors (see below), whose sum is σ = 487157795464200. Its totient is φ = 158858413553664.

The previous prime is 321242121211729. The next prime is 321242121211777. The reversal of 321242121211754 is 457112121242123.

It can be written as a sum of positive squares in 4 ways, for example, as 170269171930729 + 150972949281025 = 13048723^2 + 12287105^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555751169 + ... + 556328900.

Almost surely, 2^{321242121211754} is an apocalyptic number.

321242121211754 is a deficient number, since it is larger than the sum of its proper divisors (165915674252446).

321242121211754 is a wasteful number, since it uses less digits than its factorization.

321242121211754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112081657.

The product of its digits is 53760, while the sum is 38.

Adding to 321242121211754 its reverse (457112121242123), we get a palindrome (778354242453877).

The spelling of 321242121211754 in words is "three hundred twenty-one trillion, two hundred forty-two billion, one hundred twenty-one million, two hundred eleven thousand, seven hundred fifty-four".