21120300111333 has 32 divisors (see below), whose sum is σ = 28839268085760. Its totient is φ = 13741314874560.

The previous prime is 21120300111331. The next prime is 21120300111353. The reversal of 21120300111333 is 33311100302112.

It is a happy number.

It is not a de Polignac number, because 21120300111333 - 2¹ = 21120300111331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120300111331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454659048 + ... + 1454673566.

It is an arithmetic number, because the mean of its divisors is an integer number (901227127680).

Almost surely, 2^{21120300111333} is an apocalyptic number.

It is an amenable number.

21120300111333 is a deficient number, since it is larger than the sum of its proper divisors (7718967974427).

21120300111333 is a wasteful number, since it uses less digits than its factorization.

21120300111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23169.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21120300111333 its reverse (33311100302112), we get a palindrome (54431400413445).

The spelling of 21120300111333 in words is "twenty-one trillion, one hundred twenty billion, three hundred million, one hundred eleven thousand, three hundred thirty-three".