221112221200211 has 16 divisors (see below), whose sum is σ = 249000289207296. Its totient is φ = 194522285700000.

The previous prime is 221112221200201. The next prime is 221112221200271. The reversal of 221112221200211 is 112002122211122.

It is a cyclic number.

It is not a de Polignac number, because 221112221200211 - 2¹⁴ = 221112221183827 is a prime.

It is a super-3 number, since 3×221112221200211³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (221112221200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6838481 + ... + 22113101.

It is an arithmetic number, because the mean of its divisors is an integer number (15562518075456).

Almost surely, 2^{221112221200211} is an apocalyptic number.

221112221200211 is a deficient number, since it is larger than the sum of its proper divisors (27888068007085).

221112221200211 is a wasteful number, since it uses less digits than its factorization.

221112221200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317114.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221112221200211 its reverse (112002122211122), we get a palindrome (333114343411333).

The spelling of 221112221200211 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred thousand, two hundred eleven".