22110220201021 has 8 divisors (see below), whose sum is σ = 23006700428544. Its totient is φ = 21231492057360.

The previous prime is 22110220201001. The next prime is 22110220201079. The reversal of 22110220201021 is 12010202201122.

It is a happy number.

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 22110220201021 - 2¹³ = 22110220192829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110220200986 and 22110220201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110220201001) 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, 4438018425 + ... + 4438023406.

It is an arithmetic number, because the mean of its divisors is an integer number (2875837553568).

Almost surely, 2^{22110220201021} is an apocalyptic number.

It is an amenable number.

22110220201021 is a deficient number, since it is larger than the sum of its proper divisors (896480227523).

22110220201021 is an equidigital number, since it uses as much as digits as its factorization.

22110220201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876041931.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22110220201021 its reverse (12010202201122), we get a palindrome (34120422402143).

The spelling of 22110220201021 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty million, two hundred one thousand, twenty-one".