21332401041 has 8 divisors (see below), whose sum is σ = 32506515904. Its totient is φ = 12189943440.

The previous prime is 21332401003. The next prime is 21332401081. The reversal of 21332401041 is 14010423312.

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

It is not a de Polignac number, because 21332401041 - 2⁷ = 21332400913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1015828621 = 21332401041 / (2 + 1 + 3 + 3 + 2 + 4 + 0 + 1 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332400999 and 21332401017.

It is not an unprimeable number, because it can be changed into a prime (21332401081) 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, 507914290 + ... + 507914331.

It is an arithmetic number, because the mean of its divisors is an integer number (4063314488).

Almost surely, 2^21332401041 is an apocalyptic number.

21332401041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21332401041 is a deficient number, since it is larger than the sum of its proper divisors (11174114863).

21332401041 is a wasteful number, since it uses less digits than its factorization.

21332401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015828631.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21332401041 its reverse (14010423312), we get a palindrome (35342824353).

The spelling of 21332401041 in words is "twenty-one billion, three hundred thirty-two million, four hundred one thousand, forty-one".