321111144411400 has 48 divisors (see below), whose sum is σ = 853238183725440. Its totient is φ = 110095249512000.

The previous prime is 321111144411383. The next prime is 321111144411443. The reversal of 321111144411400 is 4114441111123.

It is a super-2 number, since 2×321111144411400² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114682550176 + ... + 114682552975.

It is an arithmetic number, because the mean of its divisors is an integer number (17775795494280).

Almost surely, 2^{321111144411400} is an apocalyptic number.

It is an amenable number.

321111144411400 is an abundant number, since it is smaller than the sum of its proper divisors (532127039314040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321111144411400 is a wasteful number, since it uses less digits than its factorization.

321111144411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229365103174 (or 229365103165 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 321111144411400 its reverse (4114441111123), we get a palindrome (325225585522523).

The spelling of 321111144411400 in words is "three hundred twenty-one trillion, one hundred eleven billion, one hundred forty-four million, four hundred eleven thousand, four hundred".