1110111220201 has 2 divisors, whose sum is σ = 1110111220202. Its totient is φ = 1110111220200.

The previous prime is 1110111220147. The next prime is 1110111220243. The reversal of 1110111220201 is 1020221110111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1083006536976 + 27104683225 = 1040676^2 + 164635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110111220201 - 2⁷ = 1110111220073 is a prime.

It is a super-2 number, since 2×1110111220201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110111227201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055610100 + 555055610101.

It is an arithmetic number, because the mean of its divisors is an integer number (555055610101).

Almost surely, 2^{1110111220201} is an apocalyptic number.

It is an amenable number.

1110111220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110111220201 is an equidigital number, since it uses as much as digits as its factorization.

1110111220201 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 1110111220201 its reverse (1020221110111), we get a palindrome (2130332330312).

The spelling of 1110111220201 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred twenty thousand, two hundred one".