12111020122 has 8 divisors (see below), whose sum is σ = 18171611136. Its totient is φ = 6053816412.

The previous prime is 12111020083. The next prime is 12111020123. The reversal of 12111020122 is 22102011121.

12111020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×12111020122³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837868 + ... + 852199.

It is an arithmetic number, because the mean of its divisors is an integer number (2271451392).

Almost surely, 2^12111020122 is an apocalyptic number.

12111020122 is a deficient number, since it is larger than the sum of its proper divisors (6060591014).

12111020122 is a wasteful number, since it uses less digits than its factorization.

12111020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693652.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111020122 its reverse (22102011121), we get a palindrome (34213031243).

Subtracting 12111020122 from its reverse (22102011121), we obtain a palindrome (9990990999).

The spelling of 12111020122 in words is "twelve billion, one hundred eleven million, twenty thousand, one hundred twenty-two".