2113204225205 has 32 divisors (see below), whose sum is σ = 2590833772800. Its totient is φ = 1654285496832.

The previous prime is 2113204225163. The next prime is 2113204225207. The reversal of 2113204225205 is 5025224023112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2113204225205 - 2¹⁸ = 2113203963061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113204225207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79082507 + ... + 79109223.

It is an arithmetic number, because the mean of its divisors is an integer number (80963555400).

Almost surely, 2^{2113204225205} is an apocalyptic number.

It is an amenable number.

2113204225205 is a deficient number, since it is larger than the sum of its proper divisors (477629547595).

2113204225205 is a wasteful number, since it uses less digits than its factorization.

2113204225205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28493.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2113204225205 its reverse (5025224023112), we get a palindrome (7138428248317).

The spelling of 2113204225205 in words is "two trillion, one hundred thirteen billion, two hundred four million, two hundred twenty-five thousand, two hundred five".