2105602213900 has 72 divisors (see below), whose sum is σ = 4577804779520. Its totient is φ = 840647808000.

The previous prime is 2105602213873. The next prime is 2105602213931. The reversal of 2105602213900 is 93122065012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257058805 + ... + 257066995.

Almost surely, 2^{2105602213900} is an apocalyptic number.

2105602213900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105602213900 is an abundant number, since it is smaller than the sum of its proper divisors (2472202565620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105602213900 is a wasteful number, since it uses less digits than its factorization.

2105602213900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 2105602213900 its reverse (93122065012), we get a palindrome (2198724278912).

The spelling of 2105602213900 in words is "two trillion, one hundred five billion, six hundred two million, two hundred thirteen thousand, nine hundred".