2210021110121 has 8 divisors (see below), whose sum is σ = 2411068674144. Its totient is φ = 2008996305120.

The previous prime is 2210021110111. The next prime is 2210021110169. The reversal of 2210021110121 is 1210111200122.

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 2210021110121 - 2¹⁸ = 2210020847977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210021110096 and 2210021110105.

It is not an unprimeable number, because it can be changed into a prime (2210021110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5486396 + ... + 5875421.

It is an arithmetic number, because the mean of its divisors is an integer number (301383584268).

Almost surely, 2^{2210021110121} is an apocalyptic number.

It is an amenable number.

2210021110121 is a deficient number, since it is larger than the sum of its proper divisors (201047564023).

2210021110121 is a wasteful number, since it uses less digits than its factorization.

2210021110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379511.

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

Adding to 2210021110121 its reverse (1210111200122), we get a palindrome (3420132310243).

Subtracting from 2210021110121 its reverse (1210111200122), we obtain a palindrome (999909909999).

The spelling of 2210021110121 in words is "two trillion, two hundred ten billion, twenty-one million, one hundred ten thousand, one hundred twenty-one".