12111000102222 has 16 divisors (see below), whose sum is σ = 27682285948032. Its totient is φ = 3460285743480.

The previous prime is 12111000102221. The next prime is 12111000102241. The reversal of 12111000102222 is 22220100011121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111000102221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144178572604 + ... + 144178572687.

It is an arithmetic number, because the mean of its divisors is an integer number (1730142871752).

Almost surely, 2^{12111000102222} is an apocalyptic number.

12111000102222 is an abundant number, since it is smaller than the sum of its proper divisors (15571285845810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111000102222 is a wasteful number, since it uses less digits than its factorization.

12111000102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288357145303.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12111000102222 its reverse (22220100011121), we get a palindrome (34331100113343).

The spelling of 12111000102222 in words is "twelve trillion, one hundred eleven billion, one hundred two thousand, two hundred twenty-two".