12011220022111 has 8 divisors (see below), whose sum is σ = 12037034915280. Its totient is φ = 11985425809728.

The previous prime is 12011220022103. The next prime is 12011220022133. The reversal of 12011220022111 is 11122002211021.

12011220022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12011220022111 - 2³ = 12011220022103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011220022181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007086 + ... + 6330811.

It is an arithmetic number, because the mean of its divisors is an integer number (1504629364410).

Almost surely, 2^{12011220022111} is an apocalyptic number.

12011220022111 is a deficient number, since it is larger than the sum of its proper divisors (25814893169).

12011220022111 is a wasteful number, since it uses less digits than its factorization.

12011220022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340393.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011220022111 its reverse (11122002211021), we get a palindrome (23133222233132).

The spelling of 12011220022111 in words is "twelve trillion, eleven billion, two hundred twenty million, twenty-two thousand, one hundred eleven".