21233101001 has 8 divisors (see below), whose sum is σ = 24293889984. Its totient is φ = 18179184240.

The previous prime is 21233100961. The next prime is 21233101007. The reversal of 21233101001 is 10010133212.

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

It is not a de Polignac number, because 21233101001 - 2⁶ = 21233100937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21233101007) 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, 1711430 + ... + 1723791.

It is an arithmetic number, because the mean of its divisors is an integer number (3036736248).

Almost surely, 2^21233101001 is an apocalyptic number.

It is an amenable number.

21233101001 is a deficient number, since it is larger than the sum of its proper divisors (3060788983).

21233101001 is an equidigital number, since it uses as much as digits as its factorization.

21233101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436111.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21233101001 its reverse (10010133212), we get a palindrome (31243234213).

The spelling of 21233101001 in words is "twenty-one billion, two hundred thirty-three million, one hundred one thousand, one".