22201020100037 has 2 divisors, whose sum is σ = 22201020100038. Its totient is φ = 22201020100036.

The previous prime is 22201020100009. The next prime is 22201020100067. The reversal of 22201020100037 is 73000102010222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22200672874081 + 347225956 = 4711759^2 + 18634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201020100037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201020099991 and 22201020100018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201020100067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510050018 + 11100510050019.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510050019).

Almost surely, 2^{22201020100037} is an apocalyptic number.

It is an amenable number.

22201020100037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201020100037 is an equidigital number, since it uses as much as digits as its factorization.

22201020100037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 22201020100037 its reverse (73000102010222), we get a palindrome (95201122110259).

The spelling of 22201020100037 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred thousand, thirty-seven".