11222012085637 has 2 divisors, whose sum is σ = 11222012085638. Its totient is φ = 11222012085636.

The previous prime is 11222012085631. The next prime is 11222012085671. The reversal of 11222012085637 is 73658021022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10136416883076 + 1085595202561 = 3183774^2 + 1041919^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222012085637 - 2¹⁹ = 11222011561349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11222012085637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222012085631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611006042818 + 5611006042819.

It is an arithmetic number, because the mean of its divisors is an integer number (5611006042819).

Almost surely, 2^{11222012085637} is an apocalyptic number.

It is an amenable number.

11222012085637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222012085637 is an equidigital number, since it uses as much as digits as its factorization.

11222012085637 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 40.

The spelling of 11222012085637 in words is "eleven trillion, two hundred twenty-two billion, twelve million, eighty-five thousand, six hundred thirty-seven".