1001121112203 has 8 divisors (see below), whose sum is σ = 1334842920000. Its totient is φ = 667406689608.

The previous prime is 1001121112183. The next prime is 1001121112219. The reversal of 1001121112203 is 3022111211001.

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

It is not a de Polignac number, because 1001121112203 - 2¹⁷ = 1001120981131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001121112403) 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, 1521853 + ... + 2078046.

It is an arithmetic number, because the mean of its divisors is an integer number (166855365000).

Almost surely, 2^{1001121112203} is an apocalyptic number.

1001121112203 is a deficient number, since it is larger than the sum of its proper divisors (333721807797).

1001121112203 is an equidigital number, since it uses as much as digits as its factorization.

1001121112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692601.

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

Adding to 1001121112203 its reverse (3022111211001), we get a palindrome (4023232323204).

The spelling of 1001121112203 in words is "one trillion, one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred three".