11022221185637 has 2 divisors, whose sum is σ = 11022221185638. Its totient is φ = 11022221185636.

The previous prime is 11022221185601. The next prime is 11022221185663. The reversal of 11022221185637 is 73658112222011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10063925072161 + 958296113476 = 3172369^2 + 978926^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022221185637 - 2²⁸ = 11021952750181 is a prime.

It is a super-2 number, since 2×11022221185637² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11022221185594 and 11022221185603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022221185237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511110592818 + 5511110592819.

It is an arithmetic number, because the mean of its divisors is an integer number (5511110592819).

Almost surely, 2^{11022221185637} is an apocalyptic number.

It is an amenable number.

11022221185637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022221185637 is an equidigital number, since it uses as much as digits as its factorization.

11022221185637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11022221185637 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, one hundred eighty-five thousand, six hundred thirty-seven".