21032201039 has 4 divisors (see below), whose sum is σ = 21320313456. Its totient is φ = 20744088624.

The previous prime is 21032200963. The next prime is 21032201093. The reversal of 21032201039 is 93010223012.

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

It is a cyclic number.

It is not a de Polignac number, because 21032201039 - 2¹⁶ = 21032135503 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 (23032201039) 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, 144056099 + ... + 144056244.

It is an arithmetic number, because the mean of its divisors is an integer number (5330078364).

Almost surely, 2^21032201039 is an apocalyptic number.

21032201039 is a deficient number, since it is larger than the sum of its proper divisors (288112417).

21032201039 is an equidigital number, since it uses as much as digits as its factorization.

21032201039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288112416.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 21032201039 in words is "twenty-one billion, thirty-two million, two hundred one thousand, thirty-nine".