2000021102221 has 16 divisors (see below), whose sum is σ = 2090385849600. Its totient is φ = 1909942771968.

The previous prime is 2000021102173. The next prime is 2000021102269. The reversal of 2000021102221 is 1222011200002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000021102173) and next prime (2000021102269).

It is a cyclic number.

It is not a de Polignac number, because 2000021102221 - 2¹⁷ = 2000020971149 is a prime.

It is a super-2 number, since 2×2000021102221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000021102021) 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, 37266835 + ... + 37320463.

It is an arithmetic number, because the mean of its divisors is an integer number (130649115600).

Almost surely, 2^{2000021102221} is an apocalyptic number.

It is an amenable number.

2000021102221 is a deficient number, since it is larger than the sum of its proper divisors (90364747379).

2000021102221 is a wasteful number, since it uses less digits than its factorization.

2000021102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56268.

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

Adding to 2000021102221 its reverse (1222011200002), we get a palindrome (3222032302223).

The spelling of 2000021102221 in words is "two trillion, twenty-one million, one hundred two thousand, two hundred twenty-one".