2210302010221 has 8 divisors (see below), whose sum is σ = 2227745646104. Its totient is φ = 2192900973120.

The previous prime is 2210302010149. The next prime is 2210302010243. The reversal of 2210302010221 is 1220102030122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 382233062500 + 1828068947721 = 618250^2 + 1352061^2 .

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 2210302010221 - 2³⁷ = 2072863056749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210302010195 and 2210302010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210302017221) 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, 10545510 + ... + 10753063.

It is an arithmetic number, because the mean of its divisors is an integer number (278468205763).

Almost surely, 2^{2210302010221} is an apocalyptic number.

It is an amenable number.

2210302010221 is a deficient number, since it is larger than the sum of its proper divisors (17443635883).

2210302010221 is a wasteful number, since it uses less digits than its factorization.

2210302010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299391.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2210302010221 its reverse (1220102030122), we get a palindrome (3430404040343).

The spelling of 2210302010221 in words is "two trillion, two hundred ten billion, three hundred two million, ten thousand, two hundred twenty-one".