10221212002051 has 2 divisors, whose sum is σ = 10221212002052. Its totient is φ = 10221212002050.

The previous prime is 10221212002039. The next prime is 10221212002129. The reversal of 10221212002051 is 15020021212201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221212002051 - 2³⁷ = 10083773048579 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221212002451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110606001025 + 5110606001026.

It is an arithmetic number, because the mean of its divisors is an integer number (5110606001026).

Almost surely, 2^{10221212002051} is an apocalyptic number.

10221212002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221212002051 is an equidigital number, since it uses as much as digits as its factorization.

10221212002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10221212002051 its reverse (15020021212201), we get a palindrome (25241233214252).

The spelling of 10221212002051 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, two thousand, fifty-one".