22012122111193 has 4 divisors (see below), whose sum is σ = 22017793880628. Its totient is φ = 22006450341760.

The previous prime is 22012122111151. The next prime is 22012122111197. The reversal of 22012122111193 is 39111122121022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16103591133184 + 5908530978009 = 4012928^2 + 2430747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012122111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012122111197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835878896 + ... + 2835886657.

It is an arithmetic number, because the mean of its divisors is an integer number (5504448470157).

Almost surely, 2^{22012122111193} is an apocalyptic number.

It is an amenable number.

22012122111193 is a deficient number, since it is larger than the sum of its proper divisors (5671769435).

22012122111193 is an equidigital number, since it uses as much as digits as its factorization.

22012122111193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671769434.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 22012122111193 in words is "twenty-two trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, one hundred ninety-three".