210222212111 has 8 divisors (see below), whose sum is σ = 217070427648. Its totient is φ = 203378175000.

The previous prime is 210222212099. The next prime is 210222212159. The reversal of 210222212111 is 111212222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210222212111 - 2³⁰ = 209148470287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210222212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222212191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942185 + ... + 1143746.

It is an arithmetic number, because the mean of its divisors is an integer number (27133803456).

Almost surely, 2^210222212111 is an apocalyptic number.

210222212111 is a deficient number, since it is larger than the sum of its proper divisors (6848215537).

210222212111 is a wasteful number, since it uses less digits than its factorization.

210222212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089213.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210222212111 its reverse (111212222012), we get a palindrome (321434434123).

Subtracting from 210222212111 its reverse (111212222012), we obtain a palindrome (99009990099).

The spelling of 210222212111 in words is "two hundred ten billion, two hundred twenty-two million, two hundred twelve thousand, one hundred eleven".