22002110201021 has 8 divisors (see below), whose sum is σ = 22466308316664. Its totient is φ = 21542312067840.

The previous prime is 22002110200999. The next prime is 22002110201039. The reversal of 22002110201021 is 12010201120022.

It can be written as a sum of positive squares in 4 ways, for example, as 3419855011225 + 18582255189796 = 1849285^2 + 4310714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22002110201021 - 2¹⁰ = 22002110199997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002110200987 and 22002110201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002110201081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099985510 + ... + 1100005511.

It is an arithmetic number, because the mean of its divisors is an integer number (2808288539583).

Almost surely, 2^{22002110201021} is an apocalyptic number.

It is an amenable number.

22002110201021 is a deficient number, since it is larger than the sum of its proper divisors (464198115643).

22002110201021 is a wasteful number, since it uses less digits than its factorization.

22002110201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199991231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22002110201021 its reverse (12010201120022), we get a palindrome (34012311321043).

The spelling of 22002110201021 in words is "twenty-two trillion, two billion, one hundred ten million, two hundred one thousand, twenty-one".