201010221222137 has 2 divisors, whose sum is σ = 201010221222138. Its totient is φ = 201010221222136.

The previous prime is 201010221222067. The next prime is 201010221222143. The reversal of 201010221222137 is 731222122010102.

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., 186579864011776 + 14430357210361 = 13659424^2 + 3798731^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010221222137 - 2¹⁴ = 201010221205753 is a prime.

It is not a weakly prime, because it can be changed into another prime (201010221225137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505110611068 + 100505110611069.

It is an arithmetic number, because the mean of its divisors is an integer number (100505110611069).

Almost surely, 2^{201010221222137} is an apocalyptic number.

It is an amenable number.

201010221222137 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010221222137 is an equidigital number, since it uses as much as digits as its factorization.

201010221222137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 201010221222137 its reverse (731222122010102), we get a palindrome (932232343232239).

The spelling of 201010221222137 in words is "two hundred one trillion, ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-seven".