1121200002205 has 16 divisors (see below), whose sum is σ = 1367604097200. Its totient is φ = 882186255360.

The previous prime is 1121200002199. The next prime is 1121200002229. The reversal of 1121200002205 is 5022000021211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 741000742596 + 380199259609 = 860814^2 + 616603^2 .

It is not a de Polignac number, because 1121200002205 - 2¹¹ = 1121200000157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3921141 + ... + 4197349.

It is an arithmetic number, because the mean of its divisors is an integer number (85475256075).

Almost surely, 2^{1121200002205} is an apocalyptic number.

It is an amenable number.

1121200002205 is a deficient number, since it is larger than the sum of its proper divisors (246404094995).

1121200002205 is a wasteful number, since it uses less digits than its factorization.

1121200002205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289584.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1121200002205 its reverse (5022000021211), we get a palindrome (6143200023416).

The spelling of 1121200002205 in words is "one trillion, one hundred twenty-one billion, two hundred million, two thousand, two hundred five".