22121022220943 has 2 divisors, whose sum is σ = 22121022220944. Its totient is φ = 22121022220942.

The previous prime is 22121022220907. The next prime is 22121022221017. The reversal of 22121022220943 is 34902222012122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121022220943 - 2¹⁴ = 22121022204559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121022270943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060511110471 + 11060511110472.

It is an arithmetic number, because the mean of its divisors is an integer number (11060511110472).

Almost surely, 2^{22121022220943} is an apocalyptic number.

22121022220943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121022220943 is an equidigital number, since it uses as much as digits as its factorization.

22121022220943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 22121022220943 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, nine hundred forty-three".