12221210021011 has 2 divisors, whose sum is σ = 12221210021012. Its totient is φ = 12221210021010.

The previous prime is 12221210020961. The next prime is 12221210021021. The reversal of 12221210021011 is 11012001212221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221210021011 - 2⁷ = 12221210020883 is a prime.

It is a super-2 number, since 2×12221210021011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12221210021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110605010505 + 6110605010506.

It is an arithmetic number, because the mean of its divisors is an integer number (6110605010506).

Almost surely, 2^{12221210021011} is an apocalyptic number.

12221210021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221210021011 is an equidigital number, since it uses as much as digits as its factorization.

12221210021011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12221210021011 its reverse (11012001212221), we get a palindrome (23233211233232).

The spelling of 12221210021011 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, twenty-one thousand, eleven".