12211022232021 has 32 divisors (see below), whose sum is σ = 17595711803520. Its totient is φ = 7504928516096.

The previous prime is 12211022232007. The next prime is 12211022232049. The reversal of 12211022232021 is 12023222011221.

It is a cyclic number.

It is not a de Polignac number, because 12211022232021 - 2⁶ = 12211022231957 is a prime.

It is a super-2 number, since 2×12211022232021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211022282021) 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 in 31 ways as a sum of consecutive naturals, for example, 12085566 + ... + 13056911.

It is an arithmetic number, because the mean of its divisors is an integer number (549865993860).

Almost surely, 2^{12211022232021} is an apocalyptic number.

It is an amenable number.

12211022232021 is a deficient number, since it is larger than the sum of its proper divisors (5384689571499).

12211022232021 is a wasteful number, since it uses less digits than its factorization.

12211022232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142693.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12211022232021 its reverse (12023222011221), we get a palindrome (24234244243242).

The spelling of 12211022232021 in words is "twelve trillion, two hundred eleven billion, twenty-two million, two hundred thirty-two thousand, twenty-one".