12100211221110 has 64 divisors (see below), whose sum is σ = 29203550576640. Its totient is φ = 3208619765120.

The previous prime is 12100211221013. The next prime is 12100211221117. The reversal of 12100211221110 is 1112211200121.

It is a happy number.

It is a super-2 number, since 2×12100211221110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12100211221110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100211221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14862496 + ... + 15655484.

It is an arithmetic number, because the mean of its divisors is an integer number (456305477760).

Almost surely, 2^{12100211221110} is an apocalyptic number.

12100211221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100211221110 is an abundant number, since it is smaller than the sum of its proper divisors (17103339355530).

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

12100211221110 is a wasteful number, since it uses less digits than its factorization.

12100211221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795853.

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

Adding to 12100211221110 its reverse (1112211200121), we get a palindrome (13212422421231).

The spelling of 12100211221110 in words is "twelve trillion, one hundred billion, two hundred eleven million, two hundred twenty-one thousand, one hundred ten".