20100001100033 has 4 divisors (see below), whose sum is σ = 20100411194160. Its totient is φ = 20099591005908.

The previous prime is 20100001100027. The next prime is 20100001100051. The reversal of 20100001100033 is 33000110000102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20100001100033 - 2¹⁶ = 20100001034497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100001099987 and 20100001100023.

It is not an unprimeable number, because it can be changed into a prime (20100001109033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204973535 + ... + 205071572.

It is an arithmetic number, because the mean of its divisors is an integer number (5025102798540).

Almost surely, 2^{20100001100033} is an apocalyptic number.

It is an amenable number.

20100001100033 is a deficient number, since it is larger than the sum of its proper divisors (410094127).

20100001100033 is an equidigital number, since it uses as much as digits as its factorization.

20100001100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410094126.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20100001100033 its reverse (33000110000102), we get a palindrome (53100111100135).

The spelling of 20100001100033 in words is "twenty trillion, one hundred billion, one million, one hundred thousand, thirty-three".