2201022020021 has 8 divisors (see below), whose sum is σ = 2423143509600. Its totient is φ = 1982571960240.

The previous prime is 2201022019943. The next prime is 2201022020063. The reversal of 2201022020021 is 1200202201022.

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 2201022020021 - 2¹⁰ = 2201022018997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201022019978 and 2201022020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022020321) 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, 917856191 + ... + 917858588.

It is an arithmetic number, because the mean of its divisors is an integer number (302892938700).

Almost surely, 2^{2201022020021} is an apocalyptic number.

It is an amenable number.

2201022020021 is a deficient number, since it is larger than the sum of its proper divisors (222121489579).

2201022020021 is a wasteful number, since it uses less digits than its factorization.

2201022020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835714899.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2201022020021 its reverse (1200202201022), we get a palindrome (3401224221043).

The spelling of 2201022020021 in words is "two trillion, two hundred one billion, twenty-two million, twenty thousand, twenty-one".