201210222222111 has 16 divisors (see below), whose sum is σ = 270125723669760. Its totient is φ = 133217886676800.

The previous prime is 201210222222047. The next prime is 201210222222143. The reversal of 201210222222111 is 111222222012102.

It is not a de Polignac number, because 201210222222111 - 2⁶ = 201210222222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210222222011) 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, 54745065 + ... + 58304738.

It is an arithmetic number, because the mean of its divisors is an integer number (16882857729360).

Almost surely, 2^{201210222222111} is an apocalyptic number.

201210222222111 is a deficient number, since it is larger than the sum of its proper divisors (68915501447649).

201210222222111 is a wasteful number, since it uses less digits than its factorization.

201210222222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113053886.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201210222222111 its reverse (111222222012102), we get a palindrome (312432444234213).

The spelling of 201210222222111 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".