1131022033209 has 24 divisors (see below), whose sum is σ = 1673687269800. Its totient is φ = 735561461760.

The previous prime is 1131022033181. The next prime is 1131022033241. The reversal of 1131022033209 is 9023302201311.

1131022033209 is a `hidden beast` number, since 1 + 1 + 310 + 2 + 20 + 3 + 320 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2763815184 + 1128258218025 = 52572^2 + 1062195^2 .

It is not a de Polignac number, because 1131022033209 - 2¹⁵ = 1131022000441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131022053209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4425097 + ... + 4673705.

It is an arithmetic number, because the mean of its divisors is an integer number (69736969575).

Almost surely, 2^{1131022033209} is an apocalyptic number.

It is an amenable number.

1131022033209 is a deficient number, since it is larger than the sum of its proper divisors (542665236591).

1131022033209 is a wasteful number, since it uses less digits than its factorization.

1131022033209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260985 (or 260982 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 1131022033209 in words is "one trillion, one hundred thirty-one billion, twenty-two million, thirty-three thousand, two hundred nine".