21202222020001 has 8 divisors (see below), whose sum is σ = 23205037784544. Its totient is φ = 19211963094720.

The previous prime is 21202222019999. The next prime is 21202222020011. The reversal of 21202222020001 is 10002022220212.

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

It is not a de Polignac number, because 21202222020001 - 2¹ = 21202222019999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202222020011) 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, 3139206280 + ... + 3139213033.

It is an arithmetic number, because the mean of its divisors is an integer number (2900629723068).

Almost surely, 2^{21202222020001} is an apocalyptic number.

It is an amenable number.

21202222020001 is a deficient number, since it is larger than the sum of its proper divisors (2002815764543).

21202222020001 is a wasteful number, since it uses less digits than its factorization.

21202222020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278419631.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21202222020001 its reverse (10002022220212), we get a palindrome (31204244240213).

The spelling of 21202222020001 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-two million, twenty thousand, one".