22121101186 has 8 divisors (see below), whose sum is σ = 33182475084. Its totient is φ = 11060276160.

The previous prime is 22121101157. The next prime is 22121101187. The reversal of 22121101186 is 68110112122.

It can be written as a sum of positive squares in 2 ways, for example, as 22043043961 + 78057225 = 148469^2 + 8835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22121101186.

It is not an unprimeable number, because it can be changed into a prime (22121101187) 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, 14515 + ... + 210838.

Almost surely, 2^22121101186 is an apocalyptic number.

22121101186 is a deficient number, since it is larger than the sum of its proper divisors (11061373898).

22121101186 is a wasteful number, since it uses less digits than its factorization.

22121101186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274436.

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 22121101186 in words is "twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred eighty-six".