1111133312231 has 8 divisors (see below), whose sum is σ = 1127036550528. Its totient is φ = 1095237115000.

The previous prime is 1111133312197. The next prime is 1111133312251. The reversal of 1111133312231 is 1322133311111.

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 1111133312231 - 2¹⁸ = 1111133050087 is a prime.

It is a super-2 number, since 2×1111133312231² (a number of 25 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 = 1111133312197 and 1111133312206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111133312251) 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, 1441985 + ... + 2074026.

It is an arithmetic number, because the mean of its divisors is an integer number (140879568816).

Almost surely, 2^{1111133312231} is an apocalyptic number.

1111133312231 is a deficient number, since it is larger than the sum of its proper divisors (15903238297).

1111133312231 is an equidigital number, since it uses as much as digits as its factorization.

1111133312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520533.

The product of its digits is 324, while the sum is 23.

Adding to 1111133312231 its reverse (1322133311111), we get a palindrome (2433266623342).

The spelling of 1111133312231 in words is "one trillion, one hundred eleven billion, one hundred thirty-three million, three hundred twelve thousand, two hundred thirty-one".