22200221211111 has 24 divisors (see below), whose sum is σ = 32156600098896. Its totient is φ = 14758816625280.

The previous prime is 22200221211067. The next prime is 22200221211143. The reversal of 22200221211111 is 11111212200222.

22200221211111 is a `hidden beast` number, since 2 + 220 + 0 + 221 + 211 + 1 + 11 = 666.

It is not a de Polignac number, because 22200221211111 - 2¹⁴ = 22200221194727 is a prime.

It is a super-3 number, since 3×22200221211111³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200221211211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7842856 + ... + 10291298.

It is an arithmetic number, because the mean of its divisors is an integer number (1339858337454).

Almost surely, 2^{22200221211111} is an apocalyptic number.

22200221211111 is a deficient number, since it is larger than the sum of its proper divisors (9956378887785).

22200221211111 is a wasteful number, since it uses less digits than its factorization.

22200221211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451263 (or 2451260 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22200221211111 its reverse (11111212200222), we get a palindrome (33311433411333).

The spelling of 22200221211111 in words is "twenty-two trillion, two hundred billion, two hundred twenty-one million, two hundred eleven thousand, one hundred eleven".