2201110121021 has 8 divisors (see below), whose sum is σ = 2596701341184. Its totient is φ = 1825805630160.

The previous prime is 2201110120999. The next prime is 2201110121027. The reversal of 2201110121021 is 1201210111022.

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 2201110121021 - 2²² = 2201105926717 is a prime.

It is a super-2 number, since 2×2201110121021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201110120987 and 2201110121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201110121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071682090 + ... + 5071682523.

It is an arithmetic number, because the mean of its divisors is an integer number (324587667648).

Almost surely, 2^{2201110121021} is an apocalyptic number.

It is an amenable number.

2201110121021 is a deficient number, since it is larger than the sum of its proper divisors (395591220163).

2201110121021 is a wasteful number, since it uses less digits than its factorization.

2201110121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143364651.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2201110121021 its reverse (1201210111022), we get a palindrome (3402320232043).

Subtracting from 2201110121021 its reverse (1201210111022), we obtain a palindrome (999900009999).

The spelling of 2201110121021 in words is "two trillion, two hundred one billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".