12102222122011 has 12 divisors (see below), whose sum is σ = 14082362692200. Its totient is φ = 10370188721760.

The previous prime is 12102222121993. The next prime is 12102222122047. The reversal of 12102222122011 is 11022122220121.

It is not a de Polignac number, because 12102222122011 - 2⁷ = 12102222121883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102222122011.

It is not an unprimeable number, because it can be changed into a prime (12102222122051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37271530 + ... + 37594831.

It is an arithmetic number, because the mean of its divisors is an integer number (1173530224350).

Almost surely, 2^{12102222122011} is an apocalyptic number.

12102222122011 is a deficient number, since it is larger than the sum of its proper divisors (1980140570189).

12102222122011 is an equidigital number, since it uses as much as digits as its factorization.

12102222122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74869674 (or 74869667 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12102222122011 its reverse (11022122220121), we get a palindrome (23124344342132).

The spelling of 12102222122011 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".