12211111112102 has 32 divisors (see below), whose sum is σ = 21095935432704. Its totient is φ = 5192693438400.

The previous prime is 12211111112099. The next prime is 12211111112131. The reversal of 12211111112102 is 20121111111221.

It is a super-2 number, since 2×12211111112102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13468202 + ... + 14346242.

It is an arithmetic number, because the mean of its divisors is an integer number (659247982272).

Almost surely, 2^{12211111112102} is an apocalyptic number.

12211111112102 is a deficient number, since it is larger than the sum of its proper divisors (8884824320602).

12211111112102 is a wasteful number, since it uses less digits than its factorization.

12211111112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885764.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 12211111112102 its reverse (20121111111221), we get a palindrome (32332222223323).

The spelling of 12211111112102 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, one hundred twelve thousand, one hundred two".