22221201121193 has 2 divisors, whose sum is σ = 22221201121194. Its totient is φ = 22221201121192.

The previous prime is 22221201121187. The next prime is 22221201121201. The reversal of 22221201121193 is 39112110212222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15137017359424 + 7084183761769 = 3890632^2 + 2661613^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221201121193 - 2¹⁶ = 22221201055657 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221201121103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110600560596 + 11110600560597.

It is an arithmetic number, because the mean of its divisors is an integer number (11110600560597).

Almost surely, 2^{22221201121193} is an apocalyptic number.

It is an amenable number.

22221201121193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221201121193 is an equidigital number, since it uses as much as digits as its factorization.

22221201121193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 22221201121193 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred ninety-three".