11223621037 has 2 divisors, whose sum is σ = 11223621038. Its totient is φ = 11223621036.

The previous prime is 11223621011. The next prime is 11223621047. The reversal of 11223621037 is 73012632211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7007196681 + 4216424356 = 83709^2 + 64934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223621037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223620996 and 11223621014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11223621047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611810518 + 5611810519.

It is an arithmetic number, because the mean of its divisors is an integer number (5611810519).

Almost surely, 2^11223621037 is an apocalyptic number.

It is an amenable number.

11223621037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223621037 is an equidigital number, since it uses as much as digits as its factorization.

11223621037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 11223621037 in words is "eleven billion, two hundred twenty-three million, six hundred twenty-one thousand, thirty-seven".