22121302223043 has 6 divisors (see below), whose sum is σ = 31952992099964. Its totient is φ = 14747534815356.

The previous prime is 22121302223039. The next prime is 22121302223051. The reversal of 22121302223043 is 34032220312122.

22121302223043 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 130 + 222 + 304 + 3 = 666.

It is not a de Polignac number, because 22121302223043 - 2² = 22121302223039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22121302222998 and 22121302223016.

It is not an unprimeable number, because it can be changed into a prime (22121302223093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228961234605 + ... + 1228961234622.

Almost surely, 2^{22121302223043} is an apocalyptic number.

22121302223043 is a deficient number, since it is larger than the sum of its proper divisors (9831689876921).

22121302223043 is a wasteful number, since it uses less digits than its factorization.

22121302223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457922469233 (or 2457922469230 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22121302223043 its reverse (34032220312122), we get a palindrome (56153522535165).

The spelling of 22121302223043 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred two million, two hundred twenty-three thousand, forty-three".