211112201122 has 8 divisors (see below), whose sum is σ = 316671516972. Its totient is φ = 105555028800.

The previous prime is 211112201077. The next prime is 211112201129. The reversal of 211112201122 is 221102211112.

It can be written as a sum of positive squares in 2 ways, for example, as 157205113081 + 53907088041 = 396491^2 + 232179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211112201122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211112201096 and 211112201105.

It is not an unprimeable number, because it can be changed into a prime (211112201129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261579 + ... + 700462.

Almost surely, 2^211112201122 is an apocalyptic number.

211112201122 is a deficient number, since it is larger than the sum of its proper divisors (105559315850).

211112201122 is a wasteful number, since it uses less digits than its factorization.

211112201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071764.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211112201122 its reverse (221102211112), we get a palindrome (432214412234).

The spelling of 211112201122 in words is "two hundred eleven billion, one hundred twelve million, two hundred one thousand, one hundred twenty-two".