1001120000851 has 2 divisors, whose sum is σ = 1001120000852. Its totient is φ = 1001120000850.

The previous prime is 1001120000819. The next prime is 1001120000861. The reversal of 1001120000851 is 1580000211001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001120000851 - 2⁵ = 1001120000819 is a prime.

It is a super-2 number, since 2×1001120000851² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001120000861) 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, 500560000425 + 500560000426.

It is an arithmetic number, because the mean of its divisors is an integer number (500560000426).

Almost surely, 2^{1001120000851} is an apocalyptic number.

1001120000851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001120000851 is an equidigital number, since it uses as much as digits as its factorization.

1001120000851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 1001120000851 its reverse (1580000211001), we get a palindrome (2581120211852).

The spelling of 1001120000851 in words is "one trillion, one billion, one hundred twenty million, eight hundred fifty-one", and thus it is an aban number.