111233221331 has 8 divisors (see below), whose sum is σ = 111689621280. Its totient is φ = 110777139648.

The previous prime is 111233221327. The next prime is 111233221427. The reversal of 111233221331 is 133122332111.

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 111233221331 - 2² = 111233221327 is a prime.

It is a super-2 number, since 2×111233221331² (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 = 111233221297 and 111233221306.

It is not an unprimeable number, because it can be changed into a prime (111233220331) 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, 633935 + ... + 790151.

It is an arithmetic number, because the mean of its divisors is an integer number (13961202660).

Almost surely, 2^111233221331 is an apocalyptic number.

111233221331 is a deficient number, since it is larger than the sum of its proper divisors (456399949).

111233221331 is a wasteful number, since it uses less digits than its factorization.

111233221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159133.

The product of its digits is 648, while the sum is 23.

Adding to 111233221331 its reverse (133122332111), we get a palindrome (244355553442).

The spelling of 111233221331 in words is "one hundred eleven billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred thirty-one".