21214554414033 has 4 divisors (see below), whose sum is σ = 28286072552048. Its totient is φ = 14143036276020.

The previous prime is 21214554414023. The next prime is 21214554414041. The reversal of 21214554414033 is 33041445541212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21214554414033 - 2¹⁰ = 21214554413009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21214554413982 and 21214554414000.

It is not an unprimeable number, because it can be changed into a prime (21214554414013) 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, 3535759069003 + ... + 3535759069008.

It is an arithmetic number, because the mean of its divisors is an integer number (7071518138012).

Almost surely, 2^{21214554414033} is an apocalyptic number.

It is an amenable number.

21214554414033 is a deficient number, since it is larger than the sum of its proper divisors (7071518138015).

21214554414033 is an equidigital number, since it uses as much as digits as its factorization.

21214554414033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071518138014.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 21214554414033 its reverse (33041445541212), we get a palindrome (54255999955245).

The spelling of 21214554414033 in words is "twenty-one trillion, two hundred fourteen billion, five hundred fifty-four million, four hundred fourteen thousand, thirty-three".