221323310032004 has 12 divisors (see below), whose sum is σ = 387316434917328. Its totient is φ = 110661471484200.

The previous prime is 221323310031953. The next prime is 221323310032037. The reversal of 221323310032004 is 400230013323122.

It is a happy number.

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, 43151582 + ... + 48007349.

It is an arithmetic number, because the mean of its divisors is an integer number (32276369576444).

Almost surely, 2^{221323310032004} is an apocalyptic number.

It is an amenable number.

221323310032004 is a deficient number, since it is larger than the sum of its proper divisors (165993124885324).

221323310032004 is a wasteful number, since it uses less digits than its factorization.

221323310032004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91765906 (or 91765904 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 221323310032004 its reverse (400230013323122), we get a palindrome (621553323355126).

The spelling of 221323310032004 in words is "two hundred twenty-one trillion, three hundred twenty-three billion, three hundred ten million, thirty-two thousand, four".