1101221132113 has 4 divisors (see below), whose sum is σ = 1101227851620. Its totient is φ = 1101214412608.

The previous prime is 1101221132087. The next prime is 1101221132117. The reversal of 1101221132113 is 3112311221011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173915689024 + 927305443089 = 417032^2 + 962967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101221132113 - 2¹³ = 1101221123921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101221132117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107620 + ... + 3443797.

It is an arithmetic number, because the mean of its divisors is an integer number (275306962905).

Almost surely, 2^{1101221132113} is an apocalyptic number.

It is an amenable number.

1101221132113 is a deficient number, since it is larger than the sum of its proper divisors (6719507).

1101221132113 is an equidigital number, since it uses as much as digits as its factorization.

1101221132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719506.

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

Adding to 1101221132113 its reverse (3112311221011), we get a palindrome (4213532353124).

The spelling of 1101221132113 in words is "one trillion, one hundred one billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred thirteen".