11000211231 has 32 divisors (see below), whose sum is σ = 15006850560. Its totient is φ = 7166016000.

The previous prime is 11000211197. The next prime is 11000211319. The reversal of 11000211231 is 13211200011.

It is not a de Polignac number, because 11000211231 - 2³⁰ = 9926469407 is a prime.

It is a super-2 number, since 2×11000211231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000215231) 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, 9393276 + ... + 9394446.

It is an arithmetic number, because the mean of its divisors is an integer number (468964080).

Almost surely, 2^11000211231 is an apocalyptic number.

11000211231 is a deficient number, since it is larger than the sum of its proper divisors (4006639329).

11000211231 is a wasteful number, since it uses less digits than its factorization.

11000211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

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

Adding to 11000211231 its reverse (13211200011), we get a palindrome (24211411242).

The spelling of 11000211231 in words is "eleven billion, two hundred eleven thousand, two hundred thirty-one".