21111133320033 has 8 divisors (see below), whose sum is σ = 28167313168896. Its totient is φ = 14064521175600.

The previous prime is 21111133319999. The next prime is 21111133320037. The reversal of 21111133320033 is 33002333111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21111133320033 - 2¹⁰ = 21111133319009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21111133319985 and 21111133320012.

It is not an unprimeable number, because it can be changed into a prime (21111133320037) 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, 2391920958 + ... + 2391929783.

It is an arithmetic number, because the mean of its divisors is an integer number (3520914146112).

Almost surely, 2^{21111133320033} is an apocalyptic number.

It is an amenable number.

21111133320033 is a deficient number, since it is larger than the sum of its proper divisors (7056179848863).

21111133320033 is a wasteful number, since it uses less digits than its factorization.

21111133320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783852215.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21111133320033 its reverse (33002333111112), we get a palindrome (54113466431145).

The spelling of 21111133320033 in words is "twenty-one trillion, one hundred eleven billion, one hundred thirty-three million, three hundred twenty thousand, thirty-three".