202221011011 has 4 divisors (see below), whose sum is σ = 202252219624. Its totient is φ = 202189802400.

The previous prime is 202221010991. The next prime is 202221011023. The reversal of 202221011011 is 110110122202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202221011011 - 2¹⁵ = 202220978243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202221010982 and 202221011000.

It is not an unprimeable number, because it can be changed into a prime (202221014011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15594585 + ... + 15607546.

It is an arithmetic number, because the mean of its divisors is an integer number (50563054906).

Almost surely, 2^202221011011 is an apocalyptic number.

202221011011 is a deficient number, since it is larger than the sum of its proper divisors (31208613).

202221011011 is an equidigital number, since it uses as much as digits as its factorization.

202221011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31208612.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202221011011 its reverse (110110122202), we get a palindrome (312331133213).

The spelling of 202221011011 in words is "two hundred two billion, two hundred twenty-one million, eleven thousand, eleven".