10010121973 has 2 divisors, whose sum is σ = 10010121974. Its totient is φ = 10010121972.

The previous prime is 10010121923. The next prime is 10010121983. The reversal of 10010121973 is 37912101001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8552180484 + 1457941489 = 92478^2 + 38183^2 .

It is an emirp because it is prime and its reverse (37912101001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10010121973 - 2¹³ = 10010113781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010121923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005060986 + 5005060987.

It is an arithmetic number, because the mean of its divisors is an integer number (5005060987).

Almost surely, 2^10010121973 is an apocalyptic number.

It is an amenable number.

10010121973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010121973 is an equidigital number, since it uses as much as digits as its factorization.

10010121973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

Adding to 10010121973 its reverse (37912101001), we get a palindrome (47922222974).

The spelling of 10010121973 in words is "ten billion, ten million, one hundred twenty-one thousand, nine hundred seventy-three".