1121101313221 has 12 divisors (see below), whose sum is σ = 1165539580896. Its totient is φ = 1078280550360.

The previous prime is 1121101313197. The next prime is 1121101313231. The reversal of 1121101313221 is 1223131011211.

It is not a de Polignac number, because 1121101313221 - 2³¹ = 1118953829573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121101313231) 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, 3421881 + ... + 3735166.

It is an arithmetic number, because the mean of its divisors is an integer number (97128298408).

Almost surely, 2^{1121101313221} is an apocalyptic number.

It is an amenable number.

1121101313221 is a deficient number, since it is larger than the sum of its proper divisors (44438267675).

1121101313221 is an equidigital number, since it uses as much as digits as its factorization.

1121101313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157272 (or 7157241 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1121101313221 its reverse (1223131011211), we get a palindrome (2344232324432).

The spelling of 1121101313221 in words is "one trillion, one hundred twenty-one billion, one hundred one million, three hundred thirteen thousand, two hundred twenty-one".