2020112221021 has 8 divisors (see below), whose sum is σ = 2069834191488. Its totient is φ = 1970411724000.

The previous prime is 2020112221003. The next prime is 2020112221027. The reversal of 2020112221021 is 1201222110202.

It is a happy number.

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 2020112221021 - 2⁵ = 2020112220989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020112220986 and 2020112221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020112221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5177815 + ... + 5554276.

It is an arithmetic number, because the mean of its divisors is an integer number (258729273936).

Almost surely, 2^{2020112221021} is an apocalyptic number.

It is an amenable number.

2020112221021 is a deficient number, since it is larger than the sum of its proper divisors (49721970467).

2020112221021 is a wasteful number, since it uses less digits than its factorization.

2020112221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2020112221021 its reverse (1201222110202), we get a palindrome (3221334331223).

The spelling of 2020112221021 in words is "two trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, twenty-one".