22121005606607 has 2 divisors, whose sum is σ = 22121005606608. Its totient is φ = 22121005606606.

The previous prime is 22121005606543. The next prime is 22121005606627. The reversal of 22121005606607 is 70660650012122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121005606607 - 2⁶ = 22121005606543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121005606627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060502803303 + 11060502803304.

It is an arithmetic number, because the mean of its divisors is an integer number (11060502803304).

Almost surely, 2^{22121005606607} is an apocalyptic number.

22121005606607 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121005606607 is an equidigital number, since it uses as much as digits as its factorization.

22121005606607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 22121005606607 its reverse (70660650012122), we get a palindrome (92781655618729).

The spelling of 22121005606607 in words is "twenty-two trillion, one hundred twenty-one billion, five million, six hundred six thousand, six hundred seven".