111223301331 has 16 divisors (see below), whose sum is σ = 149754725120. Its totient is φ = 73420538400.

The previous prime is 111223301309. The next prime is 111223301351. The reversal of 111223301331 is 133103322111.

It is a happy number.

It is not a de Polignac number, because 111223301331 - 2²⁶ = 111156192467 is a prime.

It is a super-2 number, since 2×111223301331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111223301298 and 111223301307.

It is not an unprimeable number, because it can be changed into a prime (111223301351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832905 + ... + 3861813.

It is an arithmetic number, because the mean of its divisors is an integer number (9359670320).

Almost surely, 2^111223301331 is an apocalyptic number.

111223301331 is a deficient number, since it is larger than the sum of its proper divisors (38531423789).

111223301331 is a wasteful number, since it uses less digits than its factorization.

111223301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41466.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111223301331 its reverse (133103322111), we get a palindrome (244326623442).

The spelling of 111223301331 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred one thousand, three hundred thirty-one".