12222020211011 has 12 divisors (see below), whose sum is σ = 13516080272352. Its totient is φ = 11041825126176.

The previous prime is 12222020210977. The next prime is 12222020211019. The reversal of 12222020211011 is 11011202022221.

It is a de Polignac number, because none of the positive numbers 2^k-12222020211011 is a prime.

It is a super-2 number, since 2×12222020211011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222020211019) 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, 769349996 + ... + 769365881.

It is an arithmetic number, because the mean of its divisors is an integer number (1126340022696).

Almost surely, 2^{12222020211011} is an apocalyptic number.

12222020211011 is a deficient number, since it is larger than the sum of its proper divisors (1294060061341).

12222020211011 is a wasteful number, since it uses less digits than its factorization.

12222020211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538715950 (or 1538715937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12222020211011 its reverse (11011202022221), we get a palindrome (23233222233232).

The spelling of 12222020211011 in words is "twelve trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, eleven".