12211121110013 has 32 divisors (see below), whose sum is σ = 14809988229120. Its totient is φ = 9841357120320.

The previous prime is 12211121109917. The next prime is 12211121110031. The reversal of 12211121110013 is 31001112111221.

It is a cyclic number.

It is not a de Polignac number, because 12211121110013 - 2²⁸ = 12210852674557 is a prime.

It is a super-2 number, since 2×12211121110013² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211121109973 and 12211121110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211121110093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286820018 + ... + 286862588.

It is an arithmetic number, because the mean of its divisors is an integer number (462812132160).

Almost surely, 2^{12211121110013} is an apocalyptic number.

It is an amenable number.

12211121110013 is a deficient number, since it is larger than the sum of its proper divisors (2598867119107).

12211121110013 is a wasteful number, since it uses less digits than its factorization.

12211121110013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72857.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12211121110013 its reverse (31001112111221), we get a palindrome (43212233221234).

The spelling of 12211121110013 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred ten thousand, thirteen".