21415110033 has 8 divisors (see below), whose sum is σ = 29161001088. Its totient is φ = 13972979504.

The previous prime is 21415110023. The next prime is 21415110139. The reversal of 21415110033 is 33001151412.

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 21415110033 - 2¹⁷ = 21414978961 is a prime.

It is a super-2 number, since 2×21415110033² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21415109991 and 21415110009.

It is not an unprimeable number, because it can be changed into a prime (21415110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75939966 + ... + 75940247.

It is an arithmetic number, because the mean of its divisors is an integer number (3645125136).

Almost surely, 2^21415110033 is an apocalyptic number.

It is an amenable number.

21415110033 is a deficient number, since it is larger than the sum of its proper divisors (7745891055).

21415110033 is a wasteful number, since it uses less digits than its factorization.

21415110033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151880263.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 21415110033 its reverse (33001151412), we get a palindrome (54416261445).

The spelling of 21415110033 in words is "twenty-one billion, four hundred fifteen million, one hundred ten thousand, thirty-three".