11221042373 has 2 divisors, whose sum is σ = 11221042374. Its totient is φ = 11221042372.

The previous prime is 11221042351. The next prime is 11221042433. The reversal of 11221042373 is 37324012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10673575969 + 547466404 = 103313^2 + 23398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221042373 is a prime.

It is a super-2 number, since 2×11221042373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221045373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610521186 + 5610521187.

It is an arithmetic number, because the mean of its divisors is an integer number (5610521187).

Almost surely, 2^11221042373 is an apocalyptic number.

It is an amenable number.

11221042373 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221042373 is an equidigital number, since it uses as much as digits as its factorization.

11221042373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 11221042373 its reverse (37324012211), we get a palindrome (48545054584).

The spelling of 11221042373 in words is "eleven billion, two hundred twenty-one million, forty-two thousand, three hundred seventy-three".