1122411131 has 4 divisors (see below), whose sum is σ = 1123199112. Its totient is φ = 1121623152.

The previous prime is 1122411113. The next prime is 1122411139. The reversal of 1122411131 is 1311142211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311142211 = 151 ⋅8683061.

It is a cyclic number.

It is not a de Polignac number, because 1122411131 - 2¹⁴ = 1122394747 is a prime.

It is a super-2 number, since 2×1122411131² = 2519613493985398322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122411139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391850 + ... + 394703.

It is an arithmetic number, because the mean of its divisors is an integer number (280799778).

Almost surely, 2^1122411131 is an apocalyptic number.

1122411131 is a deficient number, since it is larger than the sum of its proper divisors (787981).

1122411131 is an equidigital number, since it uses as much as digits as its factorization.

1122411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787980.

The product of its digits is 48, while the sum is 17.

The square root of 1122411131 is about 33502.4048539803. The cubic root of 1122411131 is about 1039.2435114445.

Adding to 1122411131 its reverse (1311142211), we get a palindrome (2433553342).

The spelling of 1122411131 in words is "one billion, one hundred twenty-two million, four hundred eleven thousand, one hundred thirty-one".