202110221011 has 2 divisors, whose sum is σ = 202110221012. Its totient is φ = 202110221010.

The previous prime is 202110220979. The next prime is 202110221039. The reversal of 202110221011 is 110122011202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202110221011 - 2⁵ = 202110220979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202110220982 and 202110221000.

It is not a weakly prime, because it can be changed into another prime (202110221111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055110505 + 101055110506.

It is an arithmetic number, because the mean of its divisors is an integer number (101055110506).

Almost surely, 2^202110221011 is an apocalyptic number.

202110221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110221011 is an equidigital number, since it uses as much as digits as its factorization.

202110221011 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 13.

Adding to 202110221011 its reverse (110122011202), we get a palindrome (312232232213).

The spelling of 202110221011 in words is "two hundred two billion, one hundred ten million, two hundred twenty-one thousand, eleven".