2210102010221 has 16 divisors (see below), whose sum is σ = 2556348845568. Its totient is φ = 1871565696000.

The previous prime is 2210102010211. The next prime is 2210102010253. The reversal of 2210102010221 is 1220102010122.

It is a de Polignac number, because none of the positive numbers 2^k-2210102010221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2210102010196 and 2210102010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210102010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048500 + ... + 3703181.

It is an arithmetic number, because the mean of its divisors is an integer number (159771802848).

Almost surely, 2^{2210102010221} is an apocalyptic number.

It is an amenable number.

2210102010221 is a deficient number, since it is larger than the sum of its proper divisors (346246835347).

2210102010221 is a wasteful number, since it uses less digits than its factorization.

2210102010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752252.

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

Adding to 2210102010221 its reverse (1220102010122), we get a palindrome (3430204020343).

Subtracting from 2210102010221 its reverse (1220102010122), we obtain a palindrome (990000000099).

The spelling of 2210102010221 in words is "two trillion, two hundred ten billion, one hundred two million, ten thousand, two hundred twenty-one".