222221112100211 has 24 divisors (see below), whose sum is σ = 259277454835056. Its totient is φ = 189904060906560.

The previous prime is 222221112100189. The next prime is 222221112100213. The reversal of 222221112100211 is 112001211122222.

It is not a de Polignac number, because 222221112100211 - 2¹⁸ = 222221111838067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221112100213) 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, 145141205 + ... + 146664281.

It is an arithmetic number, because the mean of its divisors is an integer number (10803227284794).

Almost surely, 2^{222221112100211} is an apocalyptic number.

222221112100211 is a deficient number, since it is larger than the sum of its proper divisors (37056342734845).

222221112100211 is a wasteful number, since it uses less digits than its factorization.

222221112100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532019 (or 1532012 counting only the distinct ones).

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

Adding to 222221112100211 its reverse (112001211122222), we get a palindrome (334222323222433).

The spelling of 222221112100211 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred eleven".