11220968434231 has 2 divisors, whose sum is σ = 11220968434232. Its totient is φ = 11220968434230.

The previous prime is 11220968434229. The next prime is 11220968434271. The reversal of 11220968434231 is 13243486902211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11220968434231 - 2¹ = 11220968434229 is a prime.

It is a super-2 number, since 2×11220968434231² (a number of 27 digits) contains 22 as substring.

Together with 11220968434229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220968434271) 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 as a sum of consecutive naturals, namely, 5610484217115 + 5610484217116.

It is an arithmetic number, because the mean of its divisors is an integer number (5610484217116).

Almost surely, 2^{11220968434231} is an apocalyptic number.

11220968434231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220968434231 is an equidigital number, since it uses as much as digits as its factorization.

11220968434231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 11220968434231 in words is "eleven trillion, two hundred twenty billion, nine hundred sixty-eight million, four hundred thirty-four thousand, two hundred thirty-one".