220404422431111 has 8 divisors (see below), whose sum is σ = 225790837869744. Its totient is φ = 215018516412480.

The previous prime is 220404422431097. The next prime is 220404422431133. The reversal of 220404422431111 is 111134224404022.

220404422431111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220404422431111 - 2⁴¹ = 218205399175559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220404422441111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126479040 + ... + 128209813.

It is an arithmetic number, because the mean of its divisors is an integer number (28223854733718).

Almost surely, 2^{220404422431111} is an apocalyptic number.

220404422431111 is a deficient number, since it is larger than the sum of its proper divisors (5386415438633).

220404422431111 is a wasteful number, since it uses less digits than its factorization.

220404422431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254710001.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 220404422431111 its reverse (111134224404022), we get a palindrome (331538646835133).

The spelling of 220404422431111 in words is "two hundred twenty trillion, four hundred four billion, four hundred twenty-two million, four hundred thirty-one thousand, one hundred eleven".