11221975361 has 8 divisors (see below), whose sum is σ = 11400502464. Its totient is φ = 11044017040.

The previous prime is 11221975357. The next prime is 11221975403. The reversal of 11221975361 is 16357912211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221975361 - 2² = 11221975357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11221975321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102335 + ... + 181428.

It is an arithmetic number, because the mean of its divisors is an integer number (1425062808).

Almost surely, 2^11221975361 is an apocalyptic number.

It is an amenable number.

11221975361 is a deficient number, since it is larger than the sum of its proper divisors (178527103).

11221975361 is an equidigital number, since it uses as much as digits as its factorization.

11221975361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284391.

The product of its digits is 22680, while the sum is 38.

The spelling of 11221975361 in words is "eleven billion, two hundred twenty-one million, nine hundred seventy-five thousand, three hundred sixty-one".