2210101010221 has 8 divisors (see below), whose sum is σ = 2380194022304. Its totient is φ = 2040020175600.

The previous prime is 2210101010179. The next prime is 2210101010231. The reversal of 2210101010221 is 1220101010122.

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 2210101010221 - 2⁷ = 2210101010093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210101010231) 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, 2665671 + ... + 3394996.

It is an arithmetic number, because the mean of its divisors is an integer number (297524252788).

Almost surely, 2^{2210101010221} is an apocalyptic number.

It is an amenable number.

2210101010221 is a deficient number, since it is larger than the sum of its proper divisors (170093012083).

2210101010221 is a wasteful number, since it uses less digits than its factorization.

2210101010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088731.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2210101010221 its reverse (1220101010122), we get a palindrome (3430202020343).

Subtracting from 2210101010221 its reverse (1220101010122), we obtain a palindrome (990000000099).

The spelling of 2210101010221 in words is "two trillion, two hundred ten billion, one hundred one million, ten thousand, two hundred twenty-one".