10121011973 has 2 divisors, whose sum is σ = 10121011974. Its totient is φ = 10121011972.

The previous prime is 10121011963. The next prime is 10121011987. The reversal of 10121011973 is 37911012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8757777889 + 1363234084 = 93583^2 + 36922^2 .

It is an emirp because it is prime and its reverse (37911012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121011973 - 2⁸ = 10121011717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121011963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060505986 + 5060505987.

It is an arithmetic number, because the mean of its divisors is an integer number (5060505987).

Almost surely, 2^10121011973 is an apocalyptic number.

It is an amenable number.

10121011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121011973 is an equidigital number, since it uses as much as digits as its factorization.

10121011973 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 26.

The spelling of 10121011973 in words is "ten billion, one hundred twenty-one million, eleven thousand, nine hundred seventy-three".