2110202220221 has 8 divisors (see below), whose sum is σ = 2119585802880. Its totient is φ = 2100819405888.

The previous prime is 2110202220199. The next prime is 2110202220331. The reversal of 2110202220221 is 1220222020112.

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 2110202220221 - 2⁶ = 2110202220157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110202220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110202225221) 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, 5715980 + ... + 6073946.

It is an arithmetic number, because the mean of its divisors is an integer number (264948225360).

Almost surely, 2^{2110202220221} is an apocalyptic number.

It is an amenable number.

2110202220221 is a deficient number, since it is larger than the sum of its proper divisors (9383582659).

2110202220221 is a wasteful number, since it uses less digits than its factorization.

2110202220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384163.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2110202220221 its reverse (1220222020112), we get a palindrome (3330424240333).

The spelling of 2110202220221 in words is "two trillion, one hundred ten billion, two hundred two million, two hundred twenty thousand, two hundred twenty-one".