102220221011 has 2 divisors, whose sum is σ = 102220221012. Its totient is φ = 102220221010.

The previous prime is 102220220953. The next prime is 102220221109. The reversal of 102220221011 is 110122022201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220221011 - 2³⁴ = 85040351827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102220221811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110110505 + 51110110506.

It is an arithmetic number, because the mean of its divisors is an integer number (51110110506).

Almost surely, 2^102220221011 is an apocalyptic number.

102220221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220221011 is an equidigital number, since it uses as much as digits as its factorization.

102220221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102220221011 its reverse (110122022201), we get a palindrome (212342243212).

The spelling of 102220221011 in words is "one hundred two billion, two hundred twenty million, two hundred twenty-one thousand, eleven".