21232011101203 has 16 divisors (see below), whose sum is σ = 24272489539584. Its totient is φ = 18193367031840.

The previous prime is 21232011101149. The next prime is 21232011101219. The reversal of 21232011101203 is 30210111023212.

It is not a de Polignac number, because 21232011101203 - 2³⁷ = 21094572147731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21232011101233) 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, 369307126 + ... + 369364612.

It is an arithmetic number, because the mean of its divisors is an integer number (1517030596224).

Almost surely, 2^{21232011101203} is an apocalyptic number.

21232011101203 is a deficient number, since it is larger than the sum of its proper divisors (3040478438381).

21232011101203 is an equidigital number, since it uses as much as digits as its factorization.

21232011101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72522.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21232011101203 its reverse (30210111023212), we get a palindrome (51442122124415).

The spelling of 21232011101203 in words is "twenty-one trillion, two hundred thirty-two billion, eleven million, one hundred one thousand, two hundred three".