202221011 has 2 divisors, whose sum is σ = 202221012. Its totient is φ = 202221010.

The previous prime is 202220999. The next prime is 202221017. The reversal of 202221011 is 110122202.

It is a happy number.

202221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202221011 - 2²² = 198026707 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 202220983 and 202221001.

It is not a weakly prime, because it can be changed into another prime (202221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110505 + 101110506.

It is an arithmetic number, because the mean of its divisors is an integer number (101110506).

Almost surely, 2^202221011 is an apocalyptic number.

202221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221011 is an equidigital number, since it uses as much as digits as its factorization.

202221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 202221011 is about 14220.4434178404. The cubic root of 202221011 is about 586.9603419832.

Adding to 202221011 its reverse (110122202), we get a palindrome (312343213).

The spelling of 202221011 in words is "two hundred two million, two hundred twenty-one thousand, eleven".