11212211122 has 16 divisors (see below), whose sum is σ = 19222462080. Its totient is φ = 4804851168.

The previous prime is 11212211113. The next prime is 11212211147. The reversal of 11212211122 is 22111221211.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11212211096 and 11212211105.

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, 218118 + ... + 264574.

It is an arithmetic number, because the mean of its divisors is an integer number (1201403880).

Almost surely, 2^11212211122 is an apocalyptic number.

11212211122 is a deficient number, since it is larger than the sum of its proper divisors (8010250958).

11212211122 is a wasteful number, since it uses less digits than its factorization.

11212211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63705.

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

Adding to 11212211122 its reverse (22111221211), we get a palindrome (33323432333).

The spelling of 11212211122 in words is "eleven billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-two".