2205501521099 has 4 divisors (see below), whose sum is σ = 2205644909136. Its totient is φ = 2205358133064.

The previous prime is 2205501521071. The next prime is 2205501521123. The reversal of 2205501521099 is 9901251055022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2205501521099 - 2³⁶ = 2136782044363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205501541099) 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, 71670944 + ... + 71701709.

It is an arithmetic number, because the mean of its divisors is an integer number (551411227284).

Almost surely, 2^{2205501521099} is an apocalyptic number.

2205501521099 is a deficient number, since it is larger than the sum of its proper divisors (143388037).

2205501521099 is a wasteful number, since it uses less digits than its factorization.

2205501521099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143388036.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 2205501521099 in words is "two trillion, two hundred five billion, five hundred one million, five hundred twenty-one thousand, ninety-nine".