10002120100331 has 2 divisors, whose sum is σ = 10002120100332. Its totient is φ = 10002120100330.

The previous prime is 10002120100327. The next prime is 10002120100339. The reversal of 10002120100331 is 13300102120001.

It is a weak prime.

It is an emirp because it is prime and its reverse (13300102120001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10002120100331 - 2² = 10002120100327 is a prime.

It is a super-2 number, since 2×10002120100331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10002120100339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001060050165 + 5001060050166.

It is an arithmetic number, because the mean of its divisors is an integer number (5001060050166).

Almost surely, 2^{10002120100331} is an apocalyptic number.

10002120100331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002120100331 is an equidigital number, since it uses as much as digits as its factorization.

10002120100331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10002120100331 its reverse (13300102120001), we get a palindrome (23302222220332).

The spelling of 10002120100331 in words is "ten trillion, two billion, one hundred twenty million, one hundred thousand, three hundred thirty-one".