111222431401 has 16 divisors (see below), whose sum is σ = 122315351040. Its totient is φ = 100664586000.

The previous prime is 111222431399. The next prime is 111222431413. The reversal of 111222431401 is 104134222111.

It is a cyclic number.

It is not a de Polignac number, because 111222431401 - 2¹ = 111222431399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222431431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205026 + ... + 514276.

It is an arithmetic number, because the mean of its divisors is an integer number (7644709440).

Almost surely, 2^111222431401 is an apocalyptic number.

It is an amenable number.

111222431401 is a deficient number, since it is larger than the sum of its proper divisors (11092919639).

111222431401 is a wasteful number, since it uses less digits than its factorization.

111222431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310116.

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

Adding to 111222431401 its reverse (104134222111), we get a palindrome (215356653512).

The spelling of 111222431401 in words is "one hundred eleven billion, two hundred twenty-two million, four hundred thirty-one thousand, four hundred one".