210020222102137 has 2 divisors, whose sum is σ = 210020222102138. Its totient is φ = 210020222102136.

The previous prime is 210020222102021. The next prime is 210020222102167. The reversal of 210020222102137 is 731201222020012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172207118718441 + 37813103383696 = 13122771^2 + 6149236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210020222102137 is a prime.

It is not a weakly prime, because it can be changed into another prime (210020222102167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010111051068 + 105010111051069.

It is an arithmetic number, because the mean of its divisors is an integer number (105010111051069).

Almost surely, 2^{210020222102137} is an apocalyptic number.

It is an amenable number.

210020222102137 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020222102137 is an equidigital number, since it uses as much as digits as its factorization.

210020222102137 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 25.

Adding to 210020222102137 its reverse (731201222020012), we get a palindrome (941221444122149).

The spelling of 210020222102137 in words is "two hundred ten trillion, twenty billion, two hundred twenty-two million, one hundred two thousand, one hundred thirty-seven".