1100221131003 has 8 divisors (see below), whose sum is σ = 1553253361488. Its totient is φ = 690334827264.

The previous prime is 1100221130977. The next prime is 1100221131029. The reversal of 1100221131003 is 3001311220011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1100221130977) and next prime (1100221131029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100221131003 - 2¹⁰ = 1100221129979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100221131103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10786481626 + ... + 10786481727.

It is an arithmetic number, because the mean of its divisors is an integer number (194156670186).

Almost surely, 2^{1100221131003} is an apocalyptic number.

1100221131003 is a deficient number, since it is larger than the sum of its proper divisors (453032230485).

1100221131003 is a wasteful number, since it uses less digits than its factorization.

1100221131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21572963373.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1100221131003 its reverse (3001311220011), we get a palindrome (4101532351014).

The spelling of 1100221131003 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred thirty-one thousand, three".