12211111211102 has 8 divisors (see below), whose sum is σ = 18319716055056. Its totient is φ = 6104539192752.

The previous prime is 12211111211093. The next prime is 12211111211141. The reversal of 12211111211102 is 20111211111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211111211102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508191383 + ... + 508215410.

It is an arithmetic number, because the mean of its divisors is an integer number (2289964506882).

Almost surely, 2^{12211111211102} is an apocalyptic number.

12211111211102 is a deficient number, since it is larger than the sum of its proper divisors (6108604843954).

12211111211102 is a wasteful number, since it uses less digits than its factorization.

12211111211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016412802.

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

Adding to 12211111211102 its reverse (20111211111221), we get a palindrome (32322322322323).

The spelling of 12211111211102 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, two hundred eleven thousand, one hundred two".