22000666111 has 8 divisors (see below), whose sum is σ = 22853754000. Its totient is φ = 21153874560.

The previous prime is 22000666097. The next prime is 22000666139. The reversal of 22000666111 is 11166600022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000666111 - 2¹³ = 22000657919 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000666211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566961 + ... + 1580938.

It is an arithmetic number, because the mean of its divisors is an integer number (2856719250).

Almost surely, 2^22000666111 is an apocalyptic number.

22000666111 is the 66334-th centered decagonal number.

22000666111 is a deficient number, since it is larger than the sum of its proper divisors (853087889).

22000666111 is a wasteful number, since it uses less digits than its factorization.

22000666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148169.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 22000666111 in words is "twenty-two billion, six hundred sixty-six thousand, one hundred eleven".