10201122021973 has 2 divisors, whose sum is σ = 10201122021974. Its totient is φ = 10201122021972.

The previous prime is 10201122021949. The next prime is 10201122022033. The reversal of 10201122021973 is 37912022110201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10043308897924 + 157813124049 = 3169118^2 + 397257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201122021973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201122028973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100561010986 + 5100561010987.

It is an arithmetic number, because the mean of its divisors is an integer number (5100561010987).

Almost surely, 2^{10201122021973} is an apocalyptic number.

It is an amenable number.

10201122021973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201122021973 is an equidigital number, since it uses as much as digits as its factorization.

10201122021973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 10201122021973 in words is "ten trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, nine hundred seventy-three".