22121420063 has 2 divisors, whose sum is σ = 22121420064. Its totient is φ = 22121420062.

The previous prime is 22121419973. The next prime is 22121420089. The reversal of 22121420063 is 36002412122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121420063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121425063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060710031 + 11060710032.

It is an arithmetic number, because the mean of its divisors is an integer number (11060710032).

Almost surely, 2^22121420063 is an apocalyptic number.

22121420063 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121420063 is an equidigital number, since it uses as much as digits as its factorization.

22121420063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22121420063 its reverse (36002412122), we get a palindrome (58123832185).

The spelling of 22121420063 in words is "twenty-two billion, one hundred twenty-one million, four hundred twenty thousand, sixty-three".