21233021030111 has 8 divisors (see below), whose sum is σ = 23163339771264. Its totient is φ = 19302709639320.

The previous prime is 21233021030099. The next prime is 21233021030113. The reversal of 21233021030111 is 11103012033212.

It is a happy number.

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 21233021030111 - 2¹⁸ = 21233020767967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233021030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5463800 + ... + 8504066.

It is an arithmetic number, because the mean of its divisors is an integer number (2895417471408).

Almost surely, 2^{21233021030111} is an apocalyptic number.

21233021030111 is a deficient number, since it is larger than the sum of its proper divisors (1930318741153).

21233021030111 is a wasteful number, since it uses less digits than its factorization.

21233021030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675181.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21233021030111 its reverse (11103012033212), we get a palindrome (32336033063323).

The spelling of 21233021030111 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-one million, thirty thousand, one hundred eleven".