1110221121101 has 2 divisors, whose sum is σ = 1110221121102. Its totient is φ = 1110221121100.

The previous prime is 1110221121071. The next prime is 1110221121179. The reversal of 1110221121101 is 1011211220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110146713225 + 74407876 = 1053635^2 + 8626^2 .

It is an emirp because it is prime and its reverse (1011211220111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110221121101 is a prime.

It is a super-2 number, since 2×1110221121101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110221124101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555110560550 + 555110560551.

It is an arithmetic number, because the mean of its divisors is an integer number (555110560551).

Almost surely, 2^{1110221121101} is an apocalyptic number.

It is an amenable number.

1110221121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110221121101 is an equidigital number, since it uses as much as digits as its factorization.

1110221121101 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 14.

Adding to 1110221121101 its reverse (1011211220111), we get a palindrome (2121432341212).

The spelling of 1110221121101 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred one".