211331210122 has 16 divisors (see below), whose sum is σ = 328573399680. Its totient is φ = 101873854368.

The previous prime is 211331210117. The next prime is 211331210159. The reversal of 211331210122 is 221012133112.

It is a self number, because there is not a number n which added to its sum of digits gives 211331210122.

It is an unprimeable number.

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, 16771347 + ... + 16783942.

It is an arithmetic number, because the mean of its divisors is an integer number (20535837480).

Almost surely, 2^211331210122 is an apocalyptic number.

211331210122 is a deficient number, since it is larger than the sum of its proper divisors (117242189558).

211331210122 is a wasteful number, since it uses less digits than its factorization.

211331210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555405.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211331210122 its reverse (221012133112), we get a palindrome (432343343234).

The spelling of 211331210122 in words is "two hundred eleven billion, three hundred thirty-one million, two hundred ten thousand, one hundred twenty-two".