22110201022021 has 16 divisors (see below), whose sum is σ = 25294941452160. Its totient is φ = 18931997649600.

The previous prime is 22110201021973. The next prime is 22110201022031. The reversal of 22110201022021 is 12022010201122.

It is a happy number.

It is not a de Polignac number, because 22110201022021 - 2⁷ = 22110201021893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110201021986 and 22110201022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110201022031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154721815 + ... + 154864651.

It is an arithmetic number, because the mean of its divisors is an integer number (1580933840760).

Almost surely, 2^{22110201022021} is an apocalyptic number.

It is an amenable number.

22110201022021 is a deficient number, since it is larger than the sum of its proper divisors (3184740430139).

22110201022021 is a wasteful number, since it uses less digits than its factorization.

22110201022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165564.

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

Adding to 22110201022021 its reverse (12022010201122), we get a palindrome (34132211223143).

The spelling of 22110201022021 in words is "twenty-two trillion, one hundred ten billion, two hundred one million, twenty-two thousand, twenty-one".