1133220222031 has 4 divisors (see below), whose sum is σ = 1137529044432. Its totient is φ = 1128911399632.

The previous prime is 1133220222011. The next prime is 1133220222047. The reversal of 1133220222031 is 1302220223311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133220222031 - 2¹¹ = 1133220219983 is a prime.

It is a super-2 number, since 2×1133220222031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133220221993 and 1133220222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133220222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154410806 + ... + 2154411331.

It is an arithmetic number, because the mean of its divisors is an integer number (284382261108).

Almost surely, 2^{1133220222031} is an apocalyptic number.

1133220222031 is a deficient number, since it is larger than the sum of its proper divisors (4308822401).

1133220222031 is an equidigital number, since it uses as much as digits as its factorization.

1133220222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308822400.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1133220222031 its reverse (1302220223311), we get a palindrome (2435440445342).

The spelling of 1133220222031 in words is "one trillion, one hundred thirty-three billion, two hundred twenty million, two hundred twenty-two thousand, thirty-one".