12111011011222 has 8 divisors (see below), whose sum is σ = 18171187785000. Its totient is φ = 6053948416224.

The previous prime is 12111011011207. The next prime is 12111011011241. The reversal of 12111011011222 is 22211011011121.

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 = 12111011011196 and 12111011011205.

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, 778534972 + ... + 778550527.

It is an arithmetic number, because the mean of its divisors is an integer number (2271398473125).

Almost surely, 2^{12111011011222} is an apocalyptic number.

12111011011222 is a deficient number, since it is larger than the sum of its proper divisors (6060176773778).

12111011011222 is a wasteful number, since it uses less digits than its factorization.

12111011011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557089390.

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

Adding to 12111011011222 its reverse (22211011011121), we get a palindrome (34322022022343).

The spelling of 12111011011222 in words is "twelve trillion, one hundred eleven billion, eleven million, eleven thousand, two hundred twenty-two".