21023100011203 has 8 divisors (see below), whose sum is σ = 21222458929760. Its totient is φ = 20823859028160.

The previous prime is 21023100011191. The next prime is 21023100011227. The reversal of 21023100011203 is 30211000132012.

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

It is not a de Polignac number, because 21023100011203 - 2¹³ = 21023100003011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21023100011803) 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, 29125650 + ... + 29838727.

It is an arithmetic number, because the mean of its divisors is an integer number (2652807366220).

Almost surely, 2^{21023100011203} is an apocalyptic number.

21023100011203 is a deficient number, since it is larger than the sum of its proper divisors (199358918557).

21023100011203 is a wasteful number, since it uses less digits than its factorization.

21023100011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58967757.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21023100011203 its reverse (30211000132012), we get a palindrome (51234100143215).

The spelling of 21023100011203 in words is "twenty-one trillion, twenty-three billion, one hundred million, eleven thousand, two hundred three".