22120222111993 has 2 divisors, whose sum is σ = 22120222111994. Its totient is φ = 22120222111992.

The previous prime is 22120222111991. The next prime is 22120222112033. The reversal of 22120222111993 is 39911122202122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21661875509824 + 458346602169 = 4654232^2 + 677013^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120222111993 - 2¹ = 22120222111991 is a prime.

Together with 22120222111991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22120222111991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060111055996 + 11060111055997.

It is an arithmetic number, because the mean of its divisors is an integer number (11060111055997).

Almost surely, 2^{22120222111993} is an apocalyptic number.

It is an amenable number.

22120222111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120222111993 is an equidigital number, since it uses as much as digits as its factorization.

22120222111993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 22120222111993 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-three".