202221011200021 has 8 divisors (see below), whose sum is σ = 221593998415104. Its totient is φ = 183012900472320.

The previous prime is 202221011199967. The next prime is 202221011200099. The reversal of 202221011200021 is 120002110122202.

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 202221011200021 - 2²⁹ = 202220474329109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202221011199968 and 202221011200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221011203021) 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, 41219119276 + ... + 41219124181.

It is an arithmetic number, because the mean of its divisors is an integer number (27699249801888).

Almost surely, 2^{202221011200021} is an apocalyptic number.

It is an amenable number.

202221011200021 is a deficient number, since it is larger than the sum of its proper divisors (19372987215083).

202221011200021 is a wasteful number, since it uses less digits than its factorization.

202221011200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82438243691.

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

Adding to 202221011200021 its reverse (120002110122202), we get a palindrome (322223121322223).

It can be divided in two parts, 2022210 and 11200021, that added together give a palindrome (13222231).

The spelling of 202221011200021 in words is "two hundred two trillion, two hundred twenty-one billion, eleven million, two hundred thousand, twenty-one".