2000221221021 has 8 divisors (see below), whose sum is σ = 2667602895360. Its totient is φ = 1333160180352.

The previous prime is 2000221221013. The next prime is 2000221221029. The reversal of 2000221221021 is 1201221220002.

It is an interprime number because it is at equal distance from previous prime (2000221221013) and next prime (2000221221029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000221221021 - 2³ = 2000221221013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000221221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80143860 + ... + 80168813.

It is an arithmetic number, because the mean of its divisors is an integer number (333450361920).

Almost surely, 2^{2000221221021} is an apocalyptic number.

It is an amenable number.

2000221221021 is a deficient number, since it is larger than the sum of its proper divisors (667381674339).

2000221221021 is a wasteful number, since it uses less digits than its factorization.

2000221221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160316835.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2000221221021 its reverse (1201221220002), we get a palindrome (3201442441023).

The spelling of 2000221221021 in words is "two trillion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-one".