1101113221321 has 16 divisors (see below), whose sum is σ = 1123772807808. Its totient is φ = 1078524720000.

The previous prime is 1101113221223. The next prime is 1101113221333. The reversal of 1101113221321 is 1231223111011.

It is a cyclic number.

It is not a de Polignac number, because 1101113221321 - 2¹³ = 1101113213129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101113221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122327821 + ... + 122336821.

It is an arithmetic number, because the mean of its divisors is an integer number (70235800488).

Almost surely, 2^{1101113221321} is an apocalyptic number.

It is an amenable number.

1101113221321 is a deficient number, since it is larger than the sum of its proper divisors (22659586487).

1101113221321 is an equidigital number, since it uses as much as digits as its factorization.

1101113221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672.

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

Adding to 1101113221321 its reverse (1231223111011), we get a palindrome (2332336332332).

The spelling of 1101113221321 in words is "one trillion, one hundred one billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-one".