2205221054124 has 96 divisors (see below), whose sum is σ = 5710075822080. Its totient is φ = 656733211200.

The previous prime is 2205221054107. The next prime is 2205221054131. The reversal of 2205221054124 is 4214501225022.

It is a junction number, because it is equal to n+sod(n) for n = 2205221054091 and 2205221054100.

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 31 ways as a sum of consecutive naturals, for example, 28239237 + ... + 28317219.

It is an arithmetic number, because the mean of its divisors is an integer number (59479956480).

Almost surely, 2^{2205221054124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205221054124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855037911040).

2205221054124 is an abundant number, since it is smaller than the sum of its proper divisors (3504854767956).

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

2205221054124 is a wasteful number, since it uses less digits than its factorization.

2205221054124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81691 (or 81689 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2205221054124 its reverse (4214501225022), we get a palindrome (6419722279146).

The spelling of 2205221054124 in words is "two trillion, two hundred five billion, two hundred twenty-one million, fifty-four thousand, one hundred twenty-four".