22100020199966 has 8 divisors (see below), whose sum is σ = 33958567624464. Its totient is φ = 10780497658480.

The previous prime is 22100020199963. The next prime is 22100020200053. The reversal of 22100020199966 is 66999102000122.

It is a happy number.

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 22100020199966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100020199963) 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, 134756220650 + ... + 134756220813.

It is an arithmetic number, because the mean of its divisors is an integer number (4244820953058).

Almost surely, 2^{22100020199966} is an apocalyptic number.

22100020199966 is a deficient number, since it is larger than the sum of its proper divisors (11858547424498).

22100020199966 is a wasteful number, since it uses less digits than its factorization.

22100020199966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269512441506.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 22100020199966 in words is "twenty-two trillion, one hundred billion, twenty million, one hundred ninety-nine thousand, nine hundred sixty-six".