11011002231 has 16 divisors (see below), whose sum is σ = 14887250144. Its totient is φ = 7237776384.

The previous prime is 11011002209. The next prime is 11011002253. The reversal of 11011002231 is 13220011011.

It is an interprime number because it is at equal distance from previous prime (11011002209) and next prime (11011002253).

It is not a de Polignac number, because 11011002231 - 2¹⁸ = 11010740087 is a prime.

It is a super-2 number, since 2×11011002231² (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 (11011002031) 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, 908745 + ... + 920781.

It is an arithmetic number, because the mean of its divisors is an integer number (930453134).

Almost surely, 2^11011002231 is an apocalyptic number.

11011002231 is a deficient number, since it is larger than the sum of its proper divisors (3876247913).

11011002231 is a wasteful number, since it uses less digits than its factorization.

11011002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11011002231 its reverse (13220011011), we get a palindrome (24231013242).

The spelling of 11011002231 in words is "eleven billion, eleven million, two thousand, two hundred thirty-one".