1170223701221 has 4 divisors (see below), whose sum is σ = 1170545991744. Its totient is φ = 1169901410700.

The previous prime is 1170223701203. The next prime is 1170223701259. The reversal of 1170223701221 is 1221073220711.

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 1170223701221 - 2²⁶ = 1170156592357 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 (1170223701421) 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, 161139815 + ... + 161147076.

It is an arithmetic number, because the mean of its divisors is an integer number (292636497936).

Almost surely, 2^{1170223701221} is an apocalyptic number.

It is an amenable number.

1170223701221 is a deficient number, since it is larger than the sum of its proper divisors (322290523).

1170223701221 is an equidigital number, since it uses as much as digits as its factorization.

1170223701221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322290522.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 1170223701221 its reverse (1221073220711), we get a palindrome (2391296921932).

The spelling of 1170223701221 in words is "one trillion, one hundred seventy billion, two hundred twenty-three million, seven hundred one thousand, two hundred twenty-one".