201122221000037 has 2 divisors, whose sum is σ = 201122221000038. Its totient is φ = 201122221000036.

The previous prime is 201122220999979. The next prime is 201122221000073. The reversal of 201122221000037 is 730000122221102.

201122221000037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (201122221000073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191774471206756 + 9347749793281 = 13848266^2 + 3057409^2 .

It is a cyclic number.

It is not a de Polignac number, because 201122221000037 - 2¹⁴ = 201122220983653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201122220999976 and 201122221000021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122221000537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561110500018 + 100561110500019.

It is an arithmetic number, because the mean of its divisors is an integer number (100561110500019).

Almost surely, 2^{201122221000037} is an apocalyptic number.

It is an amenable number.

201122221000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122221000037 is an equidigital number, since it uses as much as digits as its factorization.

201122221000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 201122221000037 its reverse (730000122221102), we get a palindrome (931122343221139).

The spelling of 201122221000037 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, thirty-seven", and thus it is an aban number.