11131412211 has 6 divisors (see below), whose sum is σ = 16078706540. Its totient is φ = 7420941468.

The previous prime is 11131412207. The next prime is 11131412239. The reversal of 11131412211 is 11221413111.

11131412211 is a `hidden beast` number, since 1 + 11 + 31 + 412 + 211 = 666.

It is not a de Polignac number, because 11131412211 - 2² = 11131412207 is a prime.

It is a super-2 number, since 2×11131412211² (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 (11131412251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618411781 + ... + 618411798.

Almost surely, 2^11131412211 is an apocalyptic number.

11131412211 is a deficient number, since it is larger than the sum of its proper divisors (4947294329).

11131412211 is a wasteful number, since it uses less digits than its factorization.

11131412211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236823585 (or 1236823582 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 11131412211 its reverse (11221413111), we get a palindrome (22352825322).

The spelling of 11131412211 in words is "eleven billion, one hundred thirty-one million, four hundred twelve thousand, two hundred eleven".