21233100001 has 8 divisors (see below), whose sum is σ = 22385512800. Its totient is φ = 20084175360.

The previous prime is 21233099983. The next prime is 21233100017. The reversal of 21233100001 is 10000133212.

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 21233100001 - 2¹⁷ = 21232968929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233100061) 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, 859531 + ... + 883888.

It is an arithmetic number, because the mean of its divisors is an integer number (2798189100).

Almost surely, 2^21233100001 is an apocalyptic number.

It is an amenable number.

21233100001 is a deficient number, since it is larger than the sum of its proper divisors (1152412799).

21233100001 is a wasteful number, since it uses less digits than its factorization.

21233100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744079.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21233100001 its reverse (10000133212), we get a palindrome (31233233213).

The spelling of 21233100001 in words is "twenty-one billion, two hundred thirty-three million, one hundred thousand, one".