11012002331 has 32 divisors (see below), whose sum is σ = 12923064000. Its totient is φ = 9272033280.

The previous prime is 11012002321. The next prime is 11012002361. The reversal of 11012002331 is 13320021011.

It is a cyclic number.

It is not a de Polignac number, because 11012002331 - 2²⁶ = 10944893467 is a prime.

It is a super-2 number, since 2×11012002331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012002301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10497095 + ... + 10498143.

It is an arithmetic number, because the mean of its divisors is an integer number (403845750).

Almost surely, 2^11012002331 is an apocalyptic number.

11012002331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012002331 is a deficient number, since it is larger than the sum of its proper divisors (1911061669).

11012002331 is a wasteful number, since it uses less digits than its factorization.

11012002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11012002331 its reverse (13320021011), we get a palindrome (24332023342).

The spelling of 11012002331 in words is "eleven billion, twelve million, two thousand, three hundred thirty-one".