22120112221087 has 2 divisors, whose sum is σ = 22120112221088. Its totient is φ = 22120112221086.

The previous prime is 22120112221073. The next prime is 22120112221157. The reversal of 22120112221087 is 78012221102122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120112221087 - 2²³ = 22120103832479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120112221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060056110543 + 11060056110544.

It is an arithmetic number, because the mean of its divisors is an integer number (11060056110544).

Almost surely, 2^{22120112221087} is an apocalyptic number.

22120112221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120112221087 is an equidigital number, since it uses as much as digits as its factorization.

22120112221087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 22120112221087 in words is "twenty-two trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, eighty-seven".