22021002201001 has 4 divisors (see below), whose sum is σ = 22021744603392. Its totient is φ = 22020259798612.

The previous prime is 22021002200987. The next prime is 22021002201083. The reversal of 22021002201001 is 10010220012022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22021002201001 - 2³⁷ = 21883563247529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021002211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371156701 + ... + 371216026.

It is an arithmetic number, because the mean of its divisors is an integer number (5505436150848).

Almost surely, 2^{22021002201001} is an apocalyptic number.

It is an amenable number.

22021002201001 is a deficient number, since it is larger than the sum of its proper divisors (742402391).

22021002201001 is an equidigital number, since it uses as much as digits as its factorization.

22021002201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742402390.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021002201001 its reverse (10010220012022), we get a palindrome (32031222213023).

The spelling of 22021002201001 in words is "twenty-two trillion, twenty-one billion, two million, two hundred one thousand, one".