21111332201033 has 32 divisors (see below), whose sum is σ = 23108236056576. Its totient is φ = 19209790199808.

The previous prime is 21111332201023. The next prime is 21111332201119. The reversal of 21111332201033 is 33010223311112.

It is a cyclic number.

It is not a de Polignac number, because 21111332201033 - 2⁴ = 21111332201017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21111332201023) 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 31 ways as a sum of consecutive naturals, for example, 71347610 + ... + 71642892.

It is an arithmetic number, because the mean of its divisors is an integer number (722132376768).

Almost surely, 2^{21111332201033} is an apocalyptic number.

It is an amenable number.

21111332201033 is a deficient number, since it is larger than the sum of its proper divisors (1996903855543).

21111332201033 is a wasteful number, since it uses less digits than its factorization.

21111332201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296513.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21111332201033 its reverse (33010223311112), we get a palindrome (54121555512145).

The spelling of 21111332201033 in words is "twenty-one trillion, one hundred eleven billion, three hundred thirty-two million, two hundred one thousand, thirty-three".