21113301031003 has 8 divisors (see below), whose sum is σ = 21684028737536. Its totient is φ = 20546196993000.

The previous prime is 21113301031001. The next prime is 21113301031033. The reversal of 21113301031003 is 30013010331112.

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

It is a cyclic number.

It is not a de Polignac number, because 21113301031003 - 2¹ = 21113301031001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113301031001) 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, 905905323 + ... + 905928628.

It is an arithmetic number, because the mean of its divisors is an integer number (2710503592192).

Almost surely, 2^{21113301031003} is an apocalyptic number.

21113301031003 is a deficient number, since it is larger than the sum of its proper divisors (570727706533).

21113301031003 is a wasteful number, since it uses less digits than its factorization.

21113301031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811834265.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21113301031003 its reverse (30013010331112), we get a palindrome (51126311362115).

The spelling of 21113301031003 in words is "twenty-one trillion, one hundred thirteen billion, three hundred one million, thirty-one thousand, three".