22200212222111 has 8 divisors (see below), whose sum is σ = 27678186666624. Its totient is φ = 17298866666520.

The previous prime is 22200212222087. The next prime is 22200212222143. The reversal of 22200212222111 is 11122221200222.

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 22200212222111 - 2³⁴ = 22183032352927 is a prime.

It is a super-3 number, since 3×22200212222111³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200212222191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144157222145 + ... + 144157222298.

It is an arithmetic number, because the mean of its divisors is an integer number (3459773333328).

Almost surely, 2^{22200212222111} is an apocalyptic number.

22200212222111 is a deficient number, since it is larger than the sum of its proper divisors (5477974444513).

22200212222111 is a wasteful number, since it uses less digits than its factorization.

22200212222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288314444461.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22200212222111 its reverse (11122221200222), we get a palindrome (33322433422333).

The spelling of 22200212222111 in words is "twenty-two trillion, two hundred billion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".