21111483850833 has 8 divisors (see below), whose sum is σ = 28186126688896. Its totient is φ = 14055581790000.

The previous prime is 21111483850811. The next prime is 21111483850841. The reversal of 21111483850833 is 33805838411112.

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

It is not a de Polignac number, because 21111483850833 - 2⁹ = 21111483850321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21111483850033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685191678 + ... + 4685196183.

It is an arithmetic number, because the mean of its divisors is an integer number (3523265836112).

Almost surely, 2^{21111483850833} is an apocalyptic number.

It is an amenable number.

21111483850833 is a deficient number, since it is larger than the sum of its proper divisors (7074642838063).

21111483850833 is an equidigital number, since it uses as much as digits as its factorization.

21111483850833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370388615.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 21111483850833 in words is "twenty-one trillion, one hundred eleven billion, four hundred eighty-three million, eight hundred fifty thousand, eight hundred thirty-three".