1111421003 has 16 divisors (see below), whose sum is σ = 1386744576. Its totient is φ = 865369440.

The previous prime is 1111420967. The next prime is 1111421009. The reversal of 1111421003 is 3001241111.

It is a cyclic number.

It is not a de Polignac number, because 1111421003 - 2¹⁰ = 1111419979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111421009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109325 + ... + 119057.

It is an arithmetic number, because the mean of its divisors is an integer number (86671536).

Almost surely, 2^1111421003 is an apocalyptic number.

1111421003 is a deficient number, since it is larger than the sum of its proper divisors (275323573).

1111421003 is a wasteful number, since it uses less digits than its factorization.

1111421003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11234.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1111421003 is about 33337.9813876005. The cubic root of 1111421003 is about 1035.8404503158.

Adding to 1111421003 its reverse (3001241111), we get a palindrome (4112662114).

The spelling of 1111421003 in words is "one billion, one hundred eleven million, four hundred twenty-one thousand, three".