201210212111 has 8 divisors (see below), whose sum is σ = 203502680448. Its totient is φ = 198930375000.

The previous prime is 201210212101. The next prime is 201210212123. The reversal of 201210212111 is 111212012102.

201210212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201210212111 - 2²⁶ = 201143103247 is a prime.

It is a super-2 number, since 2×201210212111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125765 + ... + 3189486.

It is an arithmetic number, because the mean of its divisors is an integer number (25437835056).

Almost surely, 2^201210212111 is an apocalyptic number.

201210212111 is a deficient number, since it is larger than the sum of its proper divisors (2292468337).

201210212111 is a wasteful number, since it uses less digits than its factorization.

201210212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315613.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201210212111 its reverse (111212012102), we get a palindrome (312422224213).

Subtracting from 201210212111 its reverse (111212012102), we obtain a square (89998200009 = 299997²).

The spelling of 201210212111 in words is "two hundred one billion, two hundred ten million, two hundred twelve thousand, one hundred eleven".