21433210434201 has 12 divisors (see below), whose sum is σ = 29597029394192. Its totient is φ = 13796089473264.

The previous prime is 21433210434187. The next prime is 21433210434277. The reversal of 21433210434201 is 10243401233412.

It is not a de Polignac number, because 21433210434201 - 2⁷ = 21433210434073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433210438201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4247561971 + ... + 4247567016.

Almost surely, 2^{21433210434201} is an apocalyptic number.

It is an amenable number.

21433210434201 is a deficient number, since it is larger than the sum of its proper divisors (8163818959991).

21433210434201 is an equidigital number, since it uses as much as digits as its factorization.

21433210434201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495129048 (or 8495129019 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 21433210434201 its reverse (10243401233412), we get a palindrome (31676611667613).

The spelling of 21433210434201 in words is "twenty-one trillion, four hundred thirty-three billion, two hundred ten million, four hundred thirty-four thousand, two hundred one".