11131122229 has 16 divisors (see below), whose sum is σ = 11911680000. Its totient is φ = 10378488960.

The previous prime is 11131122209. The next prime is 11131122239. The reversal of 11131122229 is 92222113111.

It is a cyclic number.

It is not a de Polignac number, because 11131122229 - 2¹⁹ = 11130597941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131122209) 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, 417697 + ... + 443545.

It is an arithmetic number, because the mean of its divisors is an integer number (744480000).

Almost surely, 2^11131122229 is an apocalyptic number.

It is an amenable number.

11131122229 is a deficient number, since it is larger than the sum of its proper divisors (780557771).

11131122229 is a wasteful number, since it uses less digits than its factorization.

11131122229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388.

The product of its digits is 432, while the sum is 25.

The spelling of 11131122229 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty-nine".