2100553512205 has 8 divisors (see below), whose sum is σ = 2522040885504. Its totient is φ = 1679525029200.

The previous prime is 2100553512143. The next prime is 2100553512223. The reversal of 2100553512205 is 5022153550012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100553512205 - 2²³ = 2100545123597 is a prime.

It is a super-2 number, since 2×2100553512205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114712501 + ... + 114730810.

It is an arithmetic number, because the mean of its divisors is an integer number (315255110688).

Almost surely, 2^{2100553512205} is an apocalyptic number.

It is an amenable number.

2100553512205 is a deficient number, since it is larger than the sum of its proper divisors (421487373299).

2100553512205 is a wasteful number, since it uses less digits than its factorization.

2100553512205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229445147.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 2100553512205 in words is "two trillion, one hundred billion, five hundred fifty-three million, five hundred twelve thousand, two hundred five".