222401431111 has 4 divisors (see below), whose sum is σ = 222427472832. Its totient is φ = 222375389392.

The previous prime is 222401431099. The next prime is 222401431141. The reversal of 222401431111 is 111134104222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111134104222 = 2 ⋅55567052111.

It is a cyclic number.

It is not a de Polignac number, because 222401431111 - 2⁷ = 222401430983 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 (222401431141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13008046 + ... + 13025131.

It is an arithmetic number, because the mean of its divisors is an integer number (55606868208).

Almost surely, 2^222401431111 is an apocalyptic number.

222401431111 is a deficient number, since it is larger than the sum of its proper divisors (26041721).

222401431111 is an equidigital number, since it uses as much as digits as its factorization.

222401431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26041720.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222401431111 its reverse (111134104222), we get a palindrome (333535535333).

The spelling of 222401431111 in words is "two hundred twenty-two billion, four hundred one million, four hundred thirty-one thousand, one hundred eleven".