2100002210221 has 8 divisors (see below), whose sum is σ = 2105387001344. Its totient is φ = 2094623753040.

The previous prime is 2100002210203. The next prime is 2100002210239. The reversal of 2100002210221 is 1220122000012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100002210203) and next prime (2100002210239).

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 2100002210221 - 2⁹ = 2100002209709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002210281) 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, 919185 + ... + 2246086.

It is an arithmetic number, because the mean of its divisors is an integer number (263173375168).

Almost surely, 2^{2100002210221} is an apocalyptic number.

It is an amenable number.

2100002210221 is a deficient number, since it is larger than the sum of its proper divisors (5384791123).

2100002210221 is a wasteful number, since it uses less digits than its factorization.

2100002210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166971.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100002210221 its reverse (1220122000012), we get a palindrome (3320124210233).

The spelling of 2100002210221 in words is "two trillion, one hundred billion, two million, two hundred ten thousand, two hundred twenty-one".