12222002110021 has 24 divisors (see below), whose sum is σ = 13452449239040. Its totient is φ = 11095746599520.

The previous prime is 12222002109991. The next prime is 12222002110027. The reversal of 12222002110021 is 12001120022221.

It is a happy number.

It is not a de Polignac number, because 12222002110021 - 2³⁹ = 11672246296133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222002109977 and 12222002110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222002110027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275913151 + ... + 275957443.

Almost surely, 2^{12222002110021} is an apocalyptic number.

12222002110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12222002110021 is a deficient number, since it is larger than the sum of its proper divisors (1230447129019).

12222002110021 is a wasteful number, since it uses less digits than its factorization.

12222002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47377 (or 47366 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222002110021 its reverse (12001120022221), we get a palindrome (24223122132242).

The spelling of 12222002110021 in words is "twelve trillion, two hundred twenty-two billion, two million, one hundred ten thousand, twenty-one".