1121102212201 has 12 divisors (see below), whose sum is σ = 1192752628812. Its totient is φ = 1053538988288.

The previous prime is 1121102212163. The next prime is 1121102212207. The reversal of 1121102212201 is 1022122011211.

It can be written as a sum of positive squares in 6 ways, for example, as 4538043225 + 1116564168976 = 67365^2 + 1056676^2 .

It is not a de Polignac number, because 1121102212201 - 2⁷ = 1121102212073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121102212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2781610 + ... + 3159043.

It is an arithmetic number, because the mean of its divisors is an integer number (99396052401).

Almost surely, 2^{1121102212201} is an apocalyptic number.

It is an amenable number.

1121102212201 is a deficient number, since it is larger than the sum of its proper divisors (71650416611).

1121102212201 is an equidigital number, since it uses as much as digits as its factorization.

1121102212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941340 (or 5941323 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121102212201 its reverse (1022122011211), we get a palindrome (2143224223412).

The spelling of 1121102212201 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, two hundred one".