10121012031001 has 2 divisors, whose sum is σ = 10121012031002. Its totient is φ = 10121012031000.

The previous prime is 10121012030999. The next prime is 10121012031007. The reversal of 10121012031001 is 10013021012101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10102194776025 + 18817254976 = 3178395^2 + 137176^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121012031001 - 2¹ = 10121012030999 is a prime.

Together with 10121012030999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10121012031007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060506015500 + 5060506015501.

It is an arithmetic number, because the mean of its divisors is an integer number (5060506015501).

Almost surely, 2^{10121012031001} is an apocalyptic number.

It is an amenable number.

10121012031001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121012031001 is an equidigital number, since it uses as much as digits as its factorization.

10121012031001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10121012031001 its reverse (10013021012101), we get a palindrome (20134033043102).

The spelling of 10121012031001 in words is "ten trillion, one hundred twenty-one billion, twelve million, thirty-one thousand, one".