221120111000011 has 2 divisors, whose sum is σ = 221120111000012. Its totient is φ = 221120111000010.

The previous prime is 221120110999979. The next prime is 221120111000023. The reversal of 221120111000011 is 110000111021122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221120111000011 - 2⁵ = 221120110999979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221120110999955 and 221120111000000.

It is not a weakly prime, because it can be changed into another prime (221120111001011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560055500005 + 110560055500006.

It is an arithmetic number, because the mean of its divisors is an integer number (110560055500006).

Almost surely, 2^{221120111000011} is an apocalyptic number.

221120111000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120111000011 is an equidigital number, since it uses as much as digits as its factorization.

221120111000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221120111000011 its reverse (110000111021122), we get a palindrome (331120222021133).

The spelling of 221120111000011 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred eleven million, eleven", and thus it is an aban number.