11121022003 has 8 divisors (see below), whose sum is σ = 13687411808. Its totient is φ = 8799050304.

The previous prime is 11121021973. The next prime is 11121022009. The reversal of 11121022003 is 30022012111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121022003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11121022009) 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, 61104426 + ... + 61104607.

It is an arithmetic number, because the mean of its divisors is an integer number (1710926476).

Almost surely, 2^11121022003 is an apocalyptic number.

11121022003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11121022003 is a deficient number, since it is larger than the sum of its proper divisors (2566389805).

11121022003 is a wasteful number, since it uses less digits than its factorization.

11121022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122209053.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11121022003 its reverse (30022012111), we get a palindrome (41143034114).

The spelling of 11121022003 in words is "eleven billion, one hundred twenty-one million, twenty-two thousand, three".