21200141033 has 4 divisors (see below), whose sum is σ = 21600143748. Its totient is φ = 20800138320.

The previous prime is 21200141029. The next prime is 21200141047. The reversal of 21200141033 is 33014100212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16569610729 + 4630530304 = 128723^2 + 68048^2 .

It is not a de Polignac number, because 21200141033 - 2² = 21200141029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200143033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200001278 + ... + 200001383.

It is an arithmetic number, because the mean of its divisors is an integer number (5400035937).

Almost surely, 2^21200141033 is an apocalyptic number.

It is an amenable number.

21200141033 is a deficient number, since it is larger than the sum of its proper divisors (400002715).

21200141033 is an equidigital number, since it uses as much as digits as its factorization.

21200141033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400002714.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21200141033 its reverse (33014100212), we get a palindrome (54214241245).

The spelling of 21200141033 in words is "twenty-one billion, two hundred million, one hundred forty-one thousand, thirty-three".