22200006666111 has 32 divisors (see below), whose sum is σ = 30269669713920. Its totient is φ = 14469554361600.

The previous prime is 22200006666109. The next prime is 22200006666121. The reversal of 22200006666111 is 11166660000222.

22200006666111 is a nontrivial binomial coefficient, being equal to C(6663334, 2).

It is not a de Polignac number, because 22200006666111 - 2¹ = 22200006666109 is a prime.

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 (22200006666121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8884446 + ... + 11105556.

It is an arithmetic number, because the mean of its divisors is an integer number (945927178560).

Almost surely, 2^{22200006666111} is an apocalyptic number.

22200006666111 is the 6663333-rd triangular number and also the 3331667-th hexagonal number.

22200006666111 is a deficient number, since it is larger than the sum of its proper divisors (8069663047809).

22200006666111 is a wasteful number, since it uses less digits than its factorization.

22200006666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221607.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 22200006666111 its reverse (11166660000222), we get a palindrome (33366666666333).

The spelling of 22200006666111 in words is "twenty-two trillion, two hundred billion, six million, six hundred sixty-six thousand, one hundred eleven".