21110301220233 has 8 divisors (see below), whose sum is σ = 28149165588096. Its totient is φ = 14072485499600.

The previous prime is 21110301220159. The next prime is 21110301220249. The reversal of 21110301220233 is 33202210301112.

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 21110301220233 - 2²⁸ = 21110032784777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110301220033) 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, 262114833 + ... + 262195358.

It is an arithmetic number, because the mean of its divisors is an integer number (3518645698512).

Almost surely, 2^{21110301220233} is an apocalyptic number.

It is an amenable number.

21110301220233 is a deficient number, since it is larger than the sum of its proper divisors (7038864367863).

21110301220233 is a wasteful number, since it uses less digits than its factorization.

21110301220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524323615.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21110301220233 its reverse (33202210301112), we get a palindrome (54312511521345).

The spelling of 21110301220233 in words is "twenty-one trillion, one hundred ten billion, three hundred one million, two hundred twenty thousand, two hundred thirty-three".