12220220022111 has 6 divisors (see below), whose sum is σ = 17651428920840. Its totient is φ = 8146813348068.

The previous prime is 12220220022067. The next prime is 12220220022137. The reversal of 12220220022111 is 11122002202221.

It is a happy number.

12220220022111 is a `hidden beast` number, since 1 + 2 + 220 + 220 + 0 + 221 + 1 + 1 = 666.

It is not a de Polignac number, because 12220220022111 - 2¹⁹ = 12220219497823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220220022151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678901112331 + ... + 678901112348.

It is an arithmetic number, because the mean of its divisors is an integer number (2941904820140).

Almost surely, 2^{12220220022111} is an apocalyptic number.

12220220022111 is a deficient number, since it is larger than the sum of its proper divisors (5431208898729).

12220220022111 is a wasteful number, since it uses less digits than its factorization.

12220220022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357802224685 (or 1357802224682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220220022111 its reverse (11122002202221), we get a palindrome (23342222224332).

The spelling of 12220220022111 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twenty-two thousand, one hundred eleven".