20012102022137 has 2 divisors, whose sum is σ = 20012102022138. Its totient is φ = 20012102022136.

The previous prime is 20012102022089. The next prime is 20012102022163. The reversal of 20012102022137 is 73122020121002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11126867804416 + 8885234217721 = 3335696^2 + 2980811^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012102022137 - 2²⁰ = 20012100973561 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012102022197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006051011068 + 10006051011069.

It is an arithmetic number, because the mean of its divisors is an integer number (10006051011069).

Almost surely, 2^{20012102022137} is an apocalyptic number.

It is an amenable number.

20012102022137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012102022137 is an equidigital number, since it uses as much as digits as its factorization.

20012102022137 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20012102022137 its reverse (73122020121002), we get a palindrome (93134122143139).

The spelling of 20012102022137 in words is "twenty trillion, twelve billion, one hundred two million, twenty-two thousand, one hundred thirty-seven".