210222110021 has 8 divisors (see below), whose sum is σ = 262095098304. Its totient is φ = 163809436320.

The previous prime is 210222110003. The next prime is 210222110023. The reversal of 210222110021 is 120011222012.

210222110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210222110021 - 2²⁶ = 210155001157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210222109978 and 210222110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222110023) 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, 1365078560 + ... + 1365078713.

It is an arithmetic number, because the mean of its divisors is an integer number (32761887288).

Almost surely, 2^210222110021 is an apocalyptic number.

It is an amenable number.

210222110021 is a deficient number, since it is larger than the sum of its proper divisors (51872988283).

210222110021 is a wasteful number, since it uses less digits than its factorization.

210222110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730157291.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210222110021 its reverse (120011222012), we get a palindrome (330233332033).

The spelling of 210222110021 in words is "two hundred ten billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".