12111020022122 has 16 divisors (see below), whose sum is σ = 20761816252992. Its totient is φ = 5190420241440.

The previous prime is 12111020022107. The next prime is 12111020022139. The reversal of 12111020022122 is 22122002011121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111020022122.

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, 3673313 + ... + 6141275.

It is an arithmetic number, because the mean of its divisors is an integer number (1297613515812).

Almost surely, 2^{12111020022122} is an apocalyptic number.

12111020022122 is a deficient number, since it is larger than the sum of its proper divisors (8650796230870).

12111020022122 is a wasteful number, since it uses less digits than its factorization.

12111020022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818493.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12111020022122 its reverse (22122002011121), we get a palindrome (34233022033243).

The spelling of 12111020022122 in words is "twelve trillion, one hundred eleven billion, twenty million, twenty-two thousand, one hundred twenty-two".