11012033331 has 24 divisors (see below), whose sum is σ = 17371107936. Its totient is φ = 6681185280.

The previous prime is 11012033317. The next prime is 11012033353. The reversal of 11012033331 is 13333021011.

It is a happy number.

It is not a de Polignac number, because 11012033331 - 2¹⁰ = 11012032307 is a prime.

It is a super-2 number, since 2×11012033331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012033531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654510 + ... + 671123.

It is an arithmetic number, because the mean of its divisors is an integer number (723796164).

Almost surely, 2^11012033331 is an apocalyptic number.

11012033331 is a deficient number, since it is larger than the sum of its proper divisors (6359074605).

11012033331 is a wasteful number, since it uses less digits than its factorization.

11012033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325723 (or 1325720 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11012033331 its reverse (13333021011), we get a palindrome (24345054342).

The spelling of 11012033331 in words is "eleven billion, twelve million, thirty-three thousand, three hundred thirty-one".