1111212333331 has 8 divisors (see below), whose sum is σ = 1170264222720. Its totient is φ = 1052217146952.

The previous prime is 1111212333313. The next prime is 1111212333389. The reversal of 1111212333331 is 1333332121111.

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 1111212333331 - 2⁵ = 1111212333299 is a prime.

It is a super-2 number, since 2×1111212333331² (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 = 1111212333296 and 1111212333305.

It is not an unprimeable number, because it can be changed into a prime (1111212333131) 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, 14135515 + ... + 14213908.

It is an arithmetic number, because the mean of its divisors is an integer number (146283027840).

Almost surely, 2^{1111212333331} is an apocalyptic number.

1111212333331 is a deficient number, since it is larger than the sum of its proper divisors (59051889389).

1111212333331 is a wasteful number, since it uses less digits than its factorization.

1111212333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28351505.

The product of its digits is 972, while the sum is 25.

Adding to 1111212333331 its reverse (1333332121111), we get a palindrome (2444544454442).

The spelling of 1111212333331 in words is "one trillion, one hundred eleven billion, two hundred twelve million, three hundred thirty-three thousand, three hundred thirty-one".