12102011110221 has 16 divisors (see below), whose sum is σ = 16174436600448. Its totient is φ = 8048807352000.

The previous prime is 12102011110213. The next prime is 12102011110223. The reversal of 12102011110221 is 12201111020121.

It is a happy number.

It is not a de Polignac number, because 12102011110221 - 2³ = 12102011110213 is a prime.

It is a super-3 number, since 3×12102011110221³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12102011110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102011110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3119071 + ... + 5825171.

It is an arithmetic number, because the mean of its divisors is an integer number (1010902287528).

Almost surely, 2^{12102011110221} is an apocalyptic number.

It is an amenable number.

12102011110221 is a deficient number, since it is larger than the sum of its proper divisors (4072425490227).

12102011110221 is a wasteful number, since it uses less digits than its factorization.

12102011110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709652.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12102011110221 its reverse (12201111020121), we get a palindrome (24303122130342).

The spelling of 12102011110221 in words is "twelve trillion, one hundred two billion, eleven million, one hundred ten thousand, two hundred twenty-one".