12022111121211 has 12 divisors (see below), whose sum is σ = 17502006043392. Its totient is φ = 7951632551856.

The previous prime is 12022111121171. The next prime is 12022111121219. The reversal of 12022111121211 is 11212111122021.

It is a happy number.

12022111121211 is a `hidden beast` number, since 120 + 2 + 211 + 1 + 121 + 211 = 666.

It is not a de Polignac number, because 12022111121211 - 2¹¹ = 12022111119163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022111121219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5259015096 + ... + 5259017381.

It is an arithmetic number, because the mean of its divisors is an integer number (1458500503616).

Almost surely, 2^{12022111121211} is an apocalyptic number.

12022111121211 is a deficient number, since it is larger than the sum of its proper divisors (5479894922181).

12022111121211 is a wasteful number, since it uses less digits than its factorization.

12022111121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518032610 (or 10518032607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12022111121211 its reverse (11212111122021), we get a palindrome (23234222243232).

The spelling of 12022111121211 in words is "twelve trillion, twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred eleven".