202221121220101 has 16 divisors (see below), whose sum is σ = 203152377767040. Its totient is φ = 201291414186240.

The previous prime is 202221121219991. The next prime is 202221121220119. The reversal of 202221121220101 is 101022121122202.

202221121220101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202221121220101 - 2¹³ = 202221121211909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221121220191) 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, 2609973280 + ... + 2610050758.

It is an arithmetic number, because the mean of its divisors is an integer number (12697023610440).

Almost surely, 2^{202221121220101} is an apocalyptic number.

It is an amenable number.

202221121220101 is a deficient number, since it is larger than the sum of its proper divisors (931256546939).

202221121220101 is a wasteful number, since it uses less digits than its factorization.

202221121220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87324.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202221121220101 its reverse (101022121122202), we get a palindrome (303243242342303).

The spelling of 202221121220101 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".