211030113122 has 16 divisors (see below), whose sum is σ = 335194228512. Its totient is φ = 99299768640.

The previous prime is 211030113109. The next prime is 211030113131. The reversal of 211030113122 is 221311030112.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 211030113122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145097 + ... + 665667.

It is an arithmetic number, because the mean of its divisors is an integer number (20949639282).

Almost surely, 2^211030113122 is an apocalyptic number.

211030113122 is a deficient number, since it is larger than the sum of its proper divisors (124164115390).

211030113122 is a wasteful number, since it uses less digits than its factorization.

211030113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532513.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211030113122 its reverse (221311030112), we get a palindrome (432341143234).

The spelling of 211030113122 in words is "two hundred eleven billion, thirty million, one hundred thirteen thousand, one hundred twenty-two".