11012013331 has 16 divisors (see below), whose sum is σ = 12953808000. Its totient is φ = 9252705600.

The previous prime is 11012013329. The next prime is 11012013359. The reversal of 11012013331 is 13331021011.

It is a cyclic number.

It is not a de Polignac number, because 11012013331 - 2¹ = 11012013329 is a prime.

It is a super-2 number, since 2×11012013331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012013431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633981 + ... + 651118.

It is an arithmetic number, because the mean of its divisors is an integer number (809613000).

Almost surely, 2^11012013331 is an apocalyptic number.

11012013331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012013331 is a deficient number, since it is larger than the sum of its proper divisors (1941794669).

11012013331 is a wasteful number, since it uses less digits than its factorization.

11012013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285170.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11012013331 its reverse (13331021011), we get a palindrome (24343034342).

The spelling of 11012013331 in words is "eleven billion, twelve million, thirteen thousand, three hundred thirty-one".