12101011111222 has 8 divisors (see below), whose sum is σ = 19801654545672. Its totient is φ = 5500459596000.

The previous prime is 12101011111213. The next prime is 12101011111237. The reversal of 12101011111222 is 22211111010121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12101011111196 and 12101011111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275022979779 + ... + 275022979822.

It is an arithmetic number, because the mean of its divisors is an integer number (2475206818209).

Almost surely, 2^{12101011111222} is an apocalyptic number.

12101011111222 is a deficient number, since it is larger than the sum of its proper divisors (7700643434450).

12101011111222 is a wasteful number, since it uses less digits than its factorization.

12101011111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550045959614.

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

Adding to 12101011111222 its reverse (22211111010121), we get a palindrome (34312122121343).

The spelling of 12101011111222 in words is "twelve trillion, one hundred one billion, eleven million, one hundred eleven thousand, two hundred twenty-two".