1103221113001 has 4 divisors (see below), whose sum is σ = 1260824129152. Its totient is φ = 945618096852.

The previous prime is 1103221112977. The next prime is 1103221113011. The reversal of 1103221113001 is 1003111223011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103221113001 - 2⁹ = 1103221112489 is a prime.

It is a super-2 number, since 2×1103221113001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103221113011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78801508065 + ... + 78801508078.

It is an arithmetic number, because the mean of its divisors is an integer number (315206032288).

Almost surely, 2^{1103221113001} is an apocalyptic number.

It is an amenable number.

1103221113001 is a deficient number, since it is larger than the sum of its proper divisors (157603016151).

1103221113001 is an equidigital number, since it uses as much as digits as its factorization.

1103221113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157603016150.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1103221113001 its reverse (1003111223011), we get a palindrome (2106332336012).

The spelling of 1103221113001 in words is "one trillion, one hundred three billion, two hundred twenty-one million, one hundred thirteen thousand, one".