11001211122 has 32 divisors (see below), whose sum is σ = 25414565184. Its totient is φ = 3137600000.

The previous prime is 11001211097. The next prime is 11001211157. The reversal of 11001211122 is 22111210011.

It is a junction number, because it is equal to n+sod(n) for n = 11001211098 and 11001211107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4901379 + ... + 4903622.

It is an arithmetic number, because the mean of its divisors is an integer number (794205162).

Almost surely, 2^11001211122 is an apocalyptic number.

11001211122 is an abundant number, since it is smaller than the sum of its proper divisors (14413354062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001211122 is a wasteful number, since it uses less digits than its factorization.

11001211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805034.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001211122 its reverse (22111210011), we get a palindrome (33112421133).

The spelling of 11001211122 in words is "eleven billion, one million, two hundred eleven thousand, one hundred twenty-two".