2210010100221 has 128 divisors (see below), whose sum is σ = 3746867281920. Its totient is φ = 1125490464000.

The previous prime is 2210010100217. The next prime is 2210010100223. The reversal of 2210010100221 is 1220010100122.

It is not a de Polignac number, because 2210010100221 - 2² = 2210010100217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210010100197 and 2210010100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210010100223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1696093056 + ... + 1696094358.

It is an arithmetic number, because the mean of its divisors is an integer number (29272400640).

Almost surely, 2^{2210010100221} is an apocalyptic number.

2210010100221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2210010100221 is a deficient number, since it is larger than the sum of its proper divisors (1536857181699).

2210010100221 is a wasteful number, since it uses less digits than its factorization.

2210010100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2210010100221 its reverse (1220010100122), we get a palindrome (3430020200343).

Subtracting from 2210010100221 its reverse (1220010100122), we obtain a palindrome (990000000099).

The spelling of 2210010100221 in words is "two trillion, two hundred ten billion, ten million, one hundred thousand, two hundred twenty-one".