111322321037 has 2 divisors, whose sum is σ = 111322321038. Its totient is φ = 111322321036.

The previous prime is 111322321009. The next prime is 111322321039. The reversal of 111322321037 is 730123223111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77447550436 + 33874770601 = 278294^2 + 184051^2 .

It is an emirp because it is prime and its reverse (730123223111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111322321037 - 2²⁸ = 111053885581 is a prime.

It is a super-2 number, since 2×111322321037² (a number of 23 digits) contains 22 as substring.

Together with 111322321039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111322320997 and 111322321015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111322321039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661160518 + 55661160519.

It is an arithmetic number, because the mean of its divisors is an integer number (55661160519).

Almost surely, 2^111322321037 is an apocalyptic number.

It is an amenable number.

111322321037 is a deficient number, since it is larger than the sum of its proper divisors (1).

111322321037 is an equidigital number, since it uses as much as digits as its factorization.

111322321037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 111322321037 its reverse (730123223111), we get a palindrome (841445544148).

The spelling of 111322321037 in words is "one hundred eleven billion, three hundred twenty-two million, three hundred twenty-one thousand, thirty-seven".