210212111122 has 8 divisors (see below), whose sum is σ = 339573410316. Its totient is φ = 97020974352.

The previous prime is 210212111119. The next prime is 210212111129. The reversal of 210212111122 is 221111212012.

It can be written as a sum of positive squares in 2 ways, for example, as 160335375561 + 49876735561 = 400419^2 + 223331^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 210212111096 and 210212111105.

It is not an unprimeable number, because it can be changed into a prime (210212111129) 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 3 ways as a sum of consecutive naturals, for example, 4042540573 + ... + 4042540624.

Almost surely, 2^210212111122 is an apocalyptic number.

210212111122 is a deficient number, since it is larger than the sum of its proper divisors (129361299194).

210212111122 is a wasteful number, since it uses less digits than its factorization.

210212111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085081212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210212111122 its reverse (221111212012), we get a palindrome (431323323134).

The spelling of 210212111122 in words is "two hundred ten billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".