21000131110003 has 8 divisors (see below), whose sum is σ = 21134572355808. Its totient is φ = 20865698503104.

The previous prime is 21000131109977. The next prime is 21000131110061. The reversal of 21000131110003 is 30001113100012.

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 21000131110003 - 2²⁵ = 21000097555571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000131110073) 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, 2753250 + ... + 7041352.

It is an arithmetic number, because the mean of its divisors is an integer number (2641821544476).

Almost surely, 2^{21000131110003} is an apocalyptic number.

21000131110003 is a deficient number, since it is larger than the sum of its proper divisors (134441245805).

21000131110003 is a wasteful number, since it uses less digits than its factorization.

21000131110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319453.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21000131110003 its reverse (30001113100012), we get a palindrome (51001244210015).

The spelling of 21000131110003 in words is "twenty-one trillion, one hundred thirty-one million, one hundred ten thousand, three".