12211112002111 has 16 divisors (see below), whose sum is σ = 13780708300800. Its totient is φ = 10718106184800.

The previous prime is 12211112002093. The next prime is 12211112002123. The reversal of 12211112002111 is 11120021111221.

It is a cyclic number.

It is not a de Polignac number, because 12211112002111 - 2²⁵ = 12211078447679 is a prime.

It is a super-2 number, since 2×12211112002111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211112002511) 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, 52275706 + ... + 52508776.

It is an arithmetic number, because the mean of its divisors is an integer number (861294268800).

Almost surely, 2^{12211112002111} is an apocalyptic number.

12211112002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211112002111 is a deficient number, since it is larger than the sum of its proper divisors (1569596298689).

12211112002111 is a wasteful number, since it uses less digits than its factorization.

12211112002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397350.

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

Adding to 12211112002111 its reverse (11120021111221), we get a palindrome (23331133113332).

It can be divided in two parts, 1221 and 1112002111, that multiplied together give a palindrome (1357754577531).

The spelling of 12211112002111 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, two thousand, one hundred eleven".