221052002011 has 2 divisors, whose sum is σ = 221052002012. Its totient is φ = 221052002010.

The previous prime is 221052001981. The next prime is 221052002029. The reversal of 221052002011 is 110200250122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221052002011 - 2⁵ = 221052001979 is a prime.

It is a super-2 number, since 2×221052002011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221052072011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110526001005 + 110526001006.

It is an arithmetic number, because the mean of its divisors is an integer number (110526001006).

Almost surely, 2^221052002011 is an apocalyptic number.

221052002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221052002011 is an equidigital number, since it uses as much as digits as its factorization.

221052002011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 221052002011 its reverse (110200250122), we get a palindrome (331252252133).

The spelling of 221052002011 in words is "two hundred twenty-one billion, fifty-two million, two thousand, eleven".