1101120000221 has 2 divisors, whose sum is σ = 1101120000222. Its totient is φ = 1101120000220.

The previous prime is 1101120000181. The next prime is 1101120000287. The reversal of 1101120000221 is 1220000211011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764732760100 + 336387240121 = 874490^2 + 579989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101120000221 - 2⁶ = 1101120000157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101120200221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560000110 + 550560000111.

It is an arithmetic number, because the mean of its divisors is an integer number (550560000111).

Almost surely, 2^{1101120000221} is an apocalyptic number.

It is an amenable number.

1101120000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101120000221 is an equidigital number, since it uses as much as digits as its factorization.

1101120000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101120000221 its reverse (1220000211011), we get a palindrome (2321120211232).

The spelling of 1101120000221 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred twenty-one", and thus it is an aban number.