10000021222001 has 8 divisors (see below), whose sum is σ = 10029428851680. Its totient is φ = 9970619688832.

The previous prime is 10000021221899. The next prime is 10000021222027. The reversal of 10000021222001 is 10022212000001.

It is a happy number.

10000021222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10000021222001 - 2³⁰ = 9998947480177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10000021222091) 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, 1771730 + ... + 4810308.

It is an arithmetic number, because the mean of its divisors is an integer number (1253678606460).

Almost surely, 2^{10000021222001} is an apocalyptic number.

It is an amenable number.

10000021222001 is a deficient number, since it is larger than the sum of its proper divisors (29407629679).

10000021222001 is an equidigital number, since it uses as much as digits as its factorization.

10000021222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048255.

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

Adding to 10000021222001 its reverse (10022212000001), we get a palindrome (20022233222002).

The spelling of 10000021222001 in words is "ten trillion, twenty-one million, two hundred twenty-two thousand, one".