22001020020201 has 4 divisors (see below), whose sum is σ = 29334693360272. Its totient is φ = 14667346680132.

The previous prime is 22001020020173. The next prime is 22001020020229. The reversal of 22001020020201 is 10202002010022.

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 an interprime number because it is at equal distance from previous prime (22001020020173) and next prime (22001020020229).

It is not a de Polignac number, because 22001020020201 - 2⁵ = 22001020020169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001020020271) 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, 3666836670031 + ... + 3666836670036.

It is an arithmetic number, because the mean of its divisors is an integer number (7333673340068).

Almost surely, 2^{22001020020201} is an apocalyptic number.

It is an amenable number.

22001020020201 is a deficient number, since it is larger than the sum of its proper divisors (7333673340071).

22001020020201 is an equidigital number, since it uses as much as digits as its factorization.

22001020020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333673340070.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001020020201 its reverse (10202002010022), we get a palindrome (32203022030223).

The spelling of 22001020020201 in words is "twenty-two trillion, one billion, twenty million, twenty thousand, two hundred one".