10001212211051 has 2 divisors, whose sum is σ = 10001212211052. Its totient is φ = 10001212211050.

The previous prime is 10001212211021. The next prime is 10001212211069. The reversal of 10001212211051 is 15011221210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001212211051 - 2⁶ = 10001212210987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10001212211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000606105525 + 5000606105526.

It is an arithmetic number, because the mean of its divisors is an integer number (5000606105526).

Almost surely, 2^{10001212211051} is an apocalyptic number.

10001212211051 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001212211051 is an equidigital number, since it uses as much as digits as its factorization.

10001212211051 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 10001212211051 its reverse (15011221210001), we get a palindrome (25012433421052).

The spelling of 10001212211051 in words is "ten trillion, one billion, two hundred twelve million, two hundred eleven thousand, fifty-one".