2221204324113 has 32 divisors (see below), whose sum is σ = 3509674600320. Its totient is φ = 1383523822080.

The previous prime is 2221204324109. The next prime is 2221204324133. The reversal of 2221204324113 is 3114234021222.

2221204324113 is a `hidden beast` number, since 2 + 2 + 21 + 204 + 324 + 113 = 666.

It is not a de Polignac number, because 2221204324113 - 2² = 2221204324109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2221204324133) 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, 17598523 + ... + 17724288.

It is an arithmetic number, because the mean of its divisors is an integer number (109677331260).

Almost surely, 2^{2221204324113} is an apocalyptic number.

It is an amenable number.

2221204324113 is a deficient number, since it is larger than the sum of its proper divisors (1288470276207).

2221204324113 is a wasteful number, since it uses less digits than its factorization.

2221204324113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35322974 (or 35322968 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2221204324113 its reverse (3114234021222), we get a palindrome (5335438345335).

The spelling of 2221204324113 in words is "two trillion, two hundred twenty-one billion, two hundred four million, three hundred twenty-four thousand, one hundred thirteen".