12220010011111 has 16 divisors (see below), whose sum is σ = 14008407252736. Its totient is φ = 10442288658816.

The previous prime is 12220010011091. The next prime is 12220010011213. The reversal of 12220010011111 is 11111001002221.

It is a happy number.

It is not a de Polignac number, because 12220010011111 - 2²⁷ = 12219875793383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220010011091 and 12220010011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220010041111) 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, 27110200 + ... + 27557266.

It is an arithmetic number, because the mean of its divisors is an integer number (875525453296).

Almost surely, 2^{12220010011111} is an apocalyptic number.

12220010011111 is a deficient number, since it is larger than the sum of its proper divisors (1788397241625).

12220010011111 is a wasteful number, since it uses less digits than its factorization.

12220010011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458998.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12220010011111 its reverse (11111001002221), we get a palindrome (23331011013332).

The spelling of 12220010011111 in words is "twelve trillion, two hundred twenty billion, ten million, eleven thousand, one hundred eleven".