21401230032235 has 8 divisors (see below), whose sum is σ = 25877517841296. Its totient is φ = 16990289490720.

The previous prime is 21401230032139. The next prime is 21401230032239. The reversal of 21401230032235 is 53223003210412.

It is a happy number.

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

It is not a de Polignac number, because 21401230032235 - 2¹⁹ = 21401229507947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21401230032239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16336816164 + ... + 16336817473.

It is an arithmetic number, because the mean of its divisors is an integer number (3234689730162).

Almost surely, 2^{21401230032235} is an apocalyptic number.

21401230032235 is a deficient number, since it is larger than the sum of its proper divisors (4476287809061).

21401230032235 is a wasteful number, since it uses less digits than its factorization.

21401230032235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32673633773.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 21401230032235 its reverse (53223003210412), we get a palindrome (74624233242647).

The spelling of 21401230032235 in words is "twenty-one trillion, four hundred one billion, two hundred thirty million, thirty-two thousand, two hundred thirty-five".