21130201441 has 8 divisors (see below), whose sum is σ = 21430998144. Its totient is φ = 20829493440.

The previous prime is 21130201399. The next prime is 21130201451. The reversal of 21130201441 is 14410203112.

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

It is a cyclic number.

It is not a de Polignac number, because 21130201441 - 2²¹ = 21128104289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21130201451) 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, 568665 + ... + 604681.

It is an arithmetic number, because the mean of its divisors is an integer number (2678874768).

Almost surely, 2^21130201441 is an apocalyptic number.

It is an amenable number.

21130201441 is a deficient number, since it is larger than the sum of its proper divisors (300796703).

21130201441 is an equidigital number, since it uses as much as digits as its factorization.

21130201441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44351.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21130201441 its reverse (14410203112), we get a palindrome (35540404553).

The spelling of 21130201441 in words is "twenty-one billion, one hundred thirty million, two hundred one thousand, four hundred forty-one".