22421201243027 has 2 divisors, whose sum is σ = 22421201243028. Its totient is φ = 22421201243026.

The previous prime is 22421201242997. The next prime is 22421201243041. The reversal of 22421201243027 is 72034210212422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22421201243027 - 2²⁸ = 22420932807571 is a prime.

It is a super-2 number, since 2×22421201243027² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22421201242984 and 22421201243002.

It is not a weakly prime, because it can be changed into another prime (22421201243827) 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, 11210600621513 + 11210600621514.

It is an arithmetic number, because the mean of its divisors is an integer number (11210600621514).

Almost surely, 2^{22421201243027} is an apocalyptic number.

22421201243027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421201243027 is an equidigital number, since it uses as much as digits as its factorization.

22421201243027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 22421201243027 its reverse (72034210212422), we get a palindrome (94455411455449).

The spelling of 22421201243027 in words is "twenty-two trillion, four hundred twenty-one billion, two hundred one million, two hundred forty-three thousand, twenty-seven".