2100000033205 has 32 divisors (see below), whose sum is σ = 2666863180800. Its totient is φ = 1584886771200.

The previous prime is 2100000033191. The next prime is 2100000033319. The reversal of 2100000033205 is 5023300000012.

It is not a de Polignac number, because 2100000033205 - 2⁹ = 2100000032693 is a prime.

It is a super-2 number, since 2×2100000033205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7869711 + ... + 8132179.

It is an arithmetic number, because the mean of its divisors is an integer number (83339474400).

Almost surely, 2^{2100000033205} is an apocalyptic number.

It is an amenable number.

2100000033205 is a deficient number, since it is larger than the sum of its proper divisors (566863147595).

2100000033205 is a wasteful number, since it uses less digits than its factorization.

2100000033205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263805.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 2100000033205 its reverse (5023300000012), we get a palindrome (7123300033217).

The spelling of 2100000033205 in words is "two trillion, one hundred billion, thirty-three thousand, two hundred five".