1011201221103 has 8 divisors (see below), whose sum is σ = 1365334982400. Its totient is φ = 665600803608.

The previous prime is 1011201221089. The next prime is 1011201221171. The reversal of 1011201221103 is 3011221021101.

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

It is not a de Polignac number, because 1011201221103 - 2¹⁰ = 1011201220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201221603) 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, 2133335673 + ... + 2133336146.

It is an arithmetic number, because the mean of its divisors is an integer number (170666872800).

Almost surely, 2^{1011201221103} is an apocalyptic number.

1011201221103 is a deficient number, since it is larger than the sum of its proper divisors (354133761297).

1011201221103 is an equidigital number, since it uses as much as digits as its factorization.

1011201221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266671901.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1011201221103 its reverse (3011221021101), we get a palindrome (4022422242204).

The spelling of 1011201221103 in words is "one trillion, eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred three".