113001221003 has 8 divisors (see below), whose sum is σ = 125010314496. Its totient is φ = 101281503400.

The previous prime is 113001220991. The next prime is 113001221029. The reversal of 113001221003 is 300122100311.

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

It is not a de Polignac number, because 113001221003 - 2⁸ = 113001220747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113001221303) 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, 72343151 + ... + 72344712.

It is an arithmetic number, because the mean of its divisors is an integer number (15626289312).

Almost surely, 2^113001221003 is an apocalyptic number.

113001221003 is a deficient number, since it is larger than the sum of its proper divisors (12009093493).

113001221003 is a wasteful number, since it uses less digits than its factorization.

113001221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144687945.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113001221003 its reverse (300122100311), we get a palindrome (413123321314).

It can be divided in two parts, 11 and 3001221003, that multiplied together give a palindrome (33013431033).

The spelling of 113001221003 in words is "one hundred thirteen billion, one million, two hundred twenty-one thousand, three".