22002110021 has 8 divisors (see below), whose sum is σ = 23146581600. Its totient is φ = 20883357040.

The previous prime is 22002109999. The next prime is 22002110023. The reversal of 22002110021 is 12001120022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22002110021 - 2⁶ = 22002109957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002109984 and 22002110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002110023) 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 7 ways as a sum of consecutive naturals, for example, 6427895 + ... + 6431316.

It is an arithmetic number, because the mean of its divisors is an integer number (2893322700).

Almost surely, 2^22002110021 is an apocalyptic number.

It is an amenable number.

22002110021 is a deficient number, since it is larger than the sum of its proper divisors (1144471579).

22002110021 is a wasteful number, since it uses less digits than its factorization.

22002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859299.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22002110021 its reverse (12001120022), we get a palindrome (34003230043).

The spelling of 22002110021 in words is "twenty-two billion, two million, one hundred ten thousand, twenty-one".