211122110010122 has 4 divisors (see below), whose sum is σ = 316683165015186. Its totient is φ = 105561055005060.

The previous prime is 211122110010083. The next prime is 211122110010167. The reversal of 211122110010122 is 221010011221112.

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., 198588945281281 + 12533164728841 = 14092159^2 + 3540221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211122110010122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52780527502529 + ... + 52780527502532.

Almost surely, 2^{211122110010122} is an apocalyptic number.

211122110010122 is a deficient number, since it is larger than the sum of its proper divisors (105561055005064).

211122110010122 is a wasteful number, since it uses less digits than its factorization.

211122110010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105561055005063.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211122110010122 its reverse (221010011221112), we get a palindrome (432132121231234).

The spelling of 211122110010122 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred ten million, ten thousand, one hundred twenty-two".