11220968474231 has 4 divisors (see below), whose sum is σ = 11224563789264. Its totient is φ = 11217373159200.

The previous prime is 11220968474203. The next prime is 11220968474249. The reversal of 11220968474231 is 13247486902211.

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 11220968474231 - 2²⁶ = 11220901365367 is a prime.

It is a super-2 number, since 2×11220968474231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220968474231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220968434231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797652835 + ... + 1797659076.

It is an arithmetic number, because the mean of its divisors is an integer number (2806140947316).

Almost surely, 2^{11220968474231} is an apocalyptic number.

11220968474231 is a deficient number, since it is larger than the sum of its proper divisors (3595315033).

11220968474231 is an equidigital number, since it uses as much as digits as its factorization.

11220968474231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595315032.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 11220968474231 in words is "eleven trillion, two hundred twenty billion, nine hundred sixty-eight million, four hundred seventy-four thousand, two hundred thirty-one".