222011220202111 has 4 divisors (see below), whose sum is σ = 233696021265400. Its totient is φ = 210326419138824.

The previous prime is 222011220202069. The next prime is 222011220202129. The reversal of 222011220202111 is 111202022110222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222011220202111 - 2⁷ = 222011220201983 is a prime.

It is a super-3 number, since 3×222011220202111³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11684801063269 = 222011220202111 / (2 + 2 + 2 + 0 + 1 + 1 + 2 + 2 + 0 + 2 + 0 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011220202141) 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, 5842400531616 + ... + 5842400531653.

It is an arithmetic number, because the mean of its divisors is an integer number (58424005316350).

Almost surely, 2^{222011220202111} is an apocalyptic number.

222011220202111 is a deficient number, since it is larger than the sum of its proper divisors (11684801063289).

222011220202111 is a wasteful number, since it uses less digits than its factorization.

222011220202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684801063288.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222011220202111 its reverse (111202022110222), we get a palindrome (333213242312333).

The spelling of 222011220202111 in words is "two hundred twenty-two trillion, eleven billion, two hundred twenty million, two hundred two thousand, one hundred eleven".