211022330122 has 4 divisors (see below), whose sum is σ = 316533495186. Its totient is φ = 105511165060.

The previous prime is 211022330111. The next prime is 211022330143. The reversal of 211022330122 is 221033220112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 169357763961 + 41664566161 = 411531^2 + 204119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211022330122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755582529 + ... + 52755582532.

Almost surely, 2^211022330122 is an apocalyptic number.

211022330122 is a deficient number, since it is larger than the sum of its proper divisors (105511165064).

211022330122 is a wasteful number, since it uses less digits than its factorization.

211022330122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105511165063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211022330122 its reverse (221033220112), we get a palindrome (432055550234).

The spelling of 211022330122 in words is "two hundred eleven billion, twenty-two million, three hundred thirty thousand, one hundred twenty-two".