11012333231 has 8 divisors (see below), whose sum is σ = 11515960320. Its totient is φ = 10510775352.

The previous prime is 11012333173. The next prime is 11012333237. The reversal of 11012333231 is 13233321011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012333231 is a prime.

It is a super-2 number, since 2×11012333231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012333237) 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, 506411 + ... + 527708.

It is an arithmetic number, because the mean of its divisors is an integer number (1439495040).

Almost surely, 2^11012333231 is an apocalyptic number.

11012333231 is a deficient number, since it is larger than the sum of its proper divisors (503627089).

11012333231 is a wasteful number, since it uses less digits than its factorization.

11012333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034605.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11012333231 its reverse (13233321011), we get a palindrome (24245654242).

It can be divided in two parts, 1101 and 2333231, that added together give a palindrome (2334332).

The spelling of 11012333231 in words is "eleven billion, twelve million, three hundred thirty-three thousand, two hundred thirty-one".