21033140301 has 6 divisors (see below), whose sum is σ = 30381202670. Its totient is φ = 14022093528.

The previous prime is 21033140251. The next prime is 21033140309. The reversal of 21033140301 is 10304133012.

It can be written as a sum of positive squares in only one way, i.e., 19792269225 + 1240871076 = 140685^2 + 35226^2 .

It is not a de Polignac number, because 21033140301 - 2⁶ = 21033140237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033140309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1168507786 + ... + 1168507803.

Almost surely, 2^21033140301 is an apocalyptic number.

It is an amenable number.

21033140301 is a deficient number, since it is larger than the sum of its proper divisors (9348062369).

21033140301 is a wasteful number, since it uses less digits than its factorization.

21033140301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337015595 (or 2337015592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21033140301 its reverse (10304133012), we get a palindrome (31337273313).

The spelling of 21033140301 in words is "twenty-one billion, thirty-three million, one hundred forty thousand, three hundred one".