21410233001 has 4 divisors (see below), whose sum is σ = 21566512212. Its totient is φ = 21253953792.

The previous prime is 21410232959. The next prime is 21410233003. The reversal of 21410233001 is 10033201412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15546349225 + 5863883776 = 124685^2 + 76576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21410233001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410233003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78139400 + ... + 78139673.

It is an arithmetic number, because the mean of its divisors is an integer number (5391628053).

Almost surely, 2^21410233001 is an apocalyptic number.

It is an amenable number.

21410233001 is a deficient number, since it is larger than the sum of its proper divisors (156279211).

21410233001 is a wasteful number, since it uses less digits than its factorization.

21410233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156279210.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21410233001 its reverse (10033201412), we get a palindrome (31443434413).

The spelling of 21410233001 in words is "twenty-one billion, four hundred ten million, two hundred thirty-three thousand, one".