10121001001031 has 2 divisors, whose sum is σ = 10121001001032. Its totient is φ = 10121001001030.

The previous prime is 10121001000947. The next prime is 10121001001039. The reversal of 10121001001031 is 13010010012101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121001001031 - 2¹⁸ = 10121000738887 is a prime.

It is a super-2 number, since 2×10121001001031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121001001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060500500515 + 5060500500516.

It is an arithmetic number, because the mean of its divisors is an integer number (5060500500516).

Almost surely, 2^{10121001001031} is an apocalyptic number.

10121001001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121001001031 is an equidigital number, since it uses as much as digits as its factorization.

10121001001031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10121001001031 its reverse (13010010012101), we get a palindrome (23131011013132).

The spelling of 10121001001031 in words is "ten trillion, one hundred twenty-one billion, one million, one thousand, thirty-one".