1133220230221 has 4 divisors (see below), whose sum is σ = 1133387798752. Its totient is φ = 1133052661692.

The previous prime is 1133220230189. The next prime is 1133220230291. The reversal of 1133220230221 is 1220320223311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133220230221 - 2⁵ = 1133220230189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133220230192 and 1133220230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133220230291) 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, 83774121 + ... + 83787646.

It is an arithmetic number, because the mean of its divisors is an integer number (283346949688).

Almost surely, 2^{1133220230221} is an apocalyptic number.

It is an amenable number.

1133220230221 is a deficient number, since it is larger than the sum of its proper divisors (167568531).

1133220230221 is an equidigital number, since it uses as much as digits as its factorization.

1133220230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167568530.

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

Adding to 1133220230221 its reverse (1220320223311), we get a palindrome (2353540453532).

The spelling of 1133220230221 in words is "one trillion, one hundred thirty-three billion, two hundred twenty million, two hundred thirty thousand, two hundred twenty-one".