201100012973 has 2 divisors, whose sum is σ = 201100012974. Its totient is φ = 201100012972.

The previous prime is 201100012961. The next prime is 201100013017. The reversal of 201100012973 is 379210001102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200003939524 + 1096073449 = 447218^2 + 33107^2 .

It is a cyclic number.

It is not a de Polignac number, because 201100012973 - 2¹⁰ = 201100011949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201100017973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550006486 + 100550006487.

It is an arithmetic number, because the mean of its divisors is an integer number (100550006487).

Almost surely, 2^201100012973 is an apocalyptic number.

It is an amenable number.

201100012973 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100012973 is an equidigital number, since it uses as much as digits as its factorization.

201100012973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 201100012973 in words is "two hundred one billion, one hundred million, twelve thousand, nine hundred seventy-three".