22422120211391 has 2 divisors, whose sum is σ = 22422120211392. Its totient is φ = 22422120211390.

The previous prime is 22422120211373. The next prime is 22422120211429. The reversal of 22422120211391 is 19311202122422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22422120211391 - 2⁴² = 18024073700287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22422120231391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211060105695 + 11211060105696.

It is an arithmetic number, because the mean of its divisors is an integer number (11211060105696).

Almost surely, 2^{22422120211391} is an apocalyptic number.

22422120211391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422120211391 is an equidigital number, since it uses as much as digits as its factorization.

22422120211391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 22422120211391 in words is "twenty-two trillion, four hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, three hundred ninety-one".