211011201122 has 4 divisors (see below), whose sum is σ = 316516801686. Its totient is φ = 105505600560.

The previous prime is 211011201119. The next prime is 211011201131. The reversal of 211011201122 is 221102110112.

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., 189809220241 + 21201980881 = 435671^2 + 145609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211011201097 and 211011201106.

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 as a sum of consecutive naturals, namely, 52752800279 + ... + 52752800282.

Almost surely, 2^211011201122 is an apocalyptic number.

211011201122 is a deficient number, since it is larger than the sum of its proper divisors (105505600564).

211011201122 is a wasteful number, since it uses less digits than its factorization.

211011201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105505600563.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211011201122 its reverse (221102110112), we get a palindrome (432113311234).

The spelling of 211011201122 in words is "two hundred eleven billion, eleven million, two hundred one thousand, one hundred twenty-two".