210120301103231 has 2 divisors, whose sum is σ = 210120301103232. Its totient is φ = 210120301103230.

The previous prime is 210120301103189. The next prime is 210120301103347. The reversal of 210120301103231 is 132301103021012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210120301103231 is a prime.

It is a super-2 number, since 2×210120301103231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120301103831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060150551615 + 105060150551616.

It is an arithmetic number, because the mean of its divisors is an integer number (105060150551616).

Almost surely, 2^{210120301103231} is an apocalyptic number.

210120301103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120301103231 is an equidigital number, since it uses as much as digits as its factorization.

210120301103231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210120301103231 its reverse (132301103021012), we get a palindrome (342421404124243).

The spelling of 210120301103231 in words is "two hundred ten trillion, one hundred twenty billion, three hundred one million, one hundred three thousand, two hundred thirty-one".