1012101210251 has 2 divisors, whose sum is σ = 1012101210252. Its totient is φ = 1012101210250.

The previous prime is 1012101210179. The next prime is 1012101210301. The reversal of 1012101210251 is 1520121012101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012101210251 - 2³⁴ = 994921341067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1012101210451) 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, 506050605125 + 506050605126.

It is an arithmetic number, because the mean of its divisors is an integer number (506050605126).

Almost surely, 2^{1012101210251} is an apocalyptic number.

1012101210251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012101210251 is an equidigital number, since it uses as much as digits as its factorization.

1012101210251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1012101210251 its reverse (1520121012101), we get a palindrome (2532222222352).

The spelling of 1012101210251 in words is "one trillion, twelve billion, one hundred one million, two hundred ten thousand, two hundred fifty-one".