321441421111432 has 16 divisors (see below), whose sum is σ = 602999708805900. Its totient is φ = 160641498763200.

The previous prime is 321441421111423. The next prime is 321441421111457. The reversal of 321441421111432 is 234111124144123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 321212636828836 + 228784282596 = 17922406^2 + 478314^2 .

It is a super-2 number, since 2×321441421111432² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9901456819 + ... + 9901489282.

Almost surely, 2^{321441421111432} is an apocalyptic number.

It is an amenable number.

321441421111432 is a deficient number, since it is larger than the sum of its proper divisors (281558287694468).

321441421111432 is a wasteful number, since it uses less digits than its factorization.

321441421111432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802948136 (or 19802948132 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

Adding to 321441421111432 its reverse (234111124144123), we get a palindrome (555552545255555).

The spelling of 321441421111432 in words is "three hundred twenty-one trillion, four hundred forty-one billion, four hundred twenty-one million, one hundred eleven thousand, four hundred thirty-two".