12100011122 has 4 divisors (see below), whose sum is σ = 18150016686. Its totient is φ = 6050005560.

The previous prime is 12100011089. The next prime is 12100011139. The reversal of 12100011122 is 22111000121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22111000121 = 7 ⋅3158714303.

It can be written as a sum of positive squares in only one way, i.e., 9658761841 + 2441249281 = 98279^2 + 49409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025002779 + ... + 3025002782.

Almost surely, 2^12100011122 is an apocalyptic number.

12100011122 is a deficient number, since it is larger than the sum of its proper divisors (6050005564).

12100011122 is an equidigital number, since it uses as much as digits as its factorization.

12100011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050005563.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100011122 its reverse (22111000121), we get a palindrome (34211011243).

The spelling of 12100011122 in words is "twelve billion, one hundred million, eleven thousand, one hundred twenty-two".