1111121002203 has 8 divisors (see below), whose sum is σ = 1485116907600. Its totient is φ = 738936215808.

The previous prime is 1111121002169. The next prime is 1111121002207. The reversal of 1111121002203 is 3022001211111.

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

It is not a de Polignac number, because 1111121002203 - 2²¹ = 1111118905051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111121002207) 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, 452778318 + ... + 452780771.

It is an arithmetic number, because the mean of its divisors is an integer number (185639613450).

Almost surely, 2^{1111121002203} is an apocalyptic number.

1111121002203 is a deficient number, since it is larger than the sum of its proper divisors (373995905397).

1111121002203 is an equidigital number, since it uses as much as digits as its factorization.

1111121002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905559501.

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

Adding to 1111121002203 its reverse (3022001211111), we get a palindrome (4133122213314).

The spelling of 1111121002203 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, two thousand, two hundred three".