221120100111011 has 8 divisors (see below), whose sum is σ = 225094545516624. Its totient is φ = 217156929729120.

The previous prime is 221120100110963. The next prime is 221120100111047. The reversal of 221120100111011 is 110111001021122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221120100111011 - 2³⁸ = 220845222204067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221120100111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818716356 + ... + 2818794801.

It is an arithmetic number, because the mean of its divisors is an integer number (28136818189578).

Almost surely, 2^{221120100111011} is an apocalyptic number.

221120100111011 is a deficient number, since it is larger than the sum of its proper divisors (3974445405613).

221120100111011 is an equidigital number, since it uses as much as digits as its factorization.

221120100111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637511861.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 221120100111011 its reverse (110111001021122), we get a palindrome (331231101132133).

The spelling of 221120100111011 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred million, one hundred eleven thousand, eleven".