222012100211 has 4 divisors (see below), whose sum is σ = 242195018424. Its totient is φ = 201829182000.

The previous prime is 222012100183. The next prime is 222012100241. The reversal of 222012100211 is 112001210222.

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 222012100211 - 2¹⁰ = 222012099187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012100241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091459090 + ... + 10091459111.

It is an arithmetic number, because the mean of its divisors is an integer number (60548754606).

Almost surely, 2^222012100211 is an apocalyptic number.

222012100211 is a deficient number, since it is larger than the sum of its proper divisors (20182918213).

222012100211 is a wasteful number, since it uses less digits than its factorization.

222012100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182918212.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222012100211 its reverse (112001210222), we get a palindrome (334013310433).

It can be divided in two parts, 222012 and 100211, that added together give a palindrome (322223).

The spelling of 222012100211 in words is "two hundred twenty-two billion, twelve million, one hundred thousand, two hundred eleven".