12011101122 has 32 divisors (see below), whose sum is σ = 24421404672. Its totient is φ = 3937366224.

The previous prime is 12011101111. The next prime is 12011101139. The reversal of 12011101122 is 22110111021.

It is a junction number, because it is equal to n+sod(n) for n = 12011101098 and 12011101107.

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, 219403 + ... + 268625.

It is an arithmetic number, because the mean of its divisors is an integer number (763168896).

Almost surely, 2^12011101122 is an apocalyptic number.

12011101122 is an abundant number, since it is smaller than the sum of its proper divisors (12410303550).

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

12011101122 is a wasteful number, since it uses less digits than its factorization.

12011101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49902.

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

Adding to 12011101122 its reverse (22110111021), we get a palindrome (34121212143).

The spelling of 12011101122 in words is "twelve billion, eleven million, one hundred one thousand, one hundred twenty-two".