1121200210205 has 16 divisors (see below), whose sum is σ = 1356582226944. Its totient is φ = 889551763200.

The previous prime is 1121200210183. The next prime is 1121200210213. The reversal of 1121200210205 is 5020120021211.

It is not a de Polignac number, because 1121200210205 - 2²⁴ = 1121183432989 is a prime.

It is a super-2 number, since 2×1121200210205² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764972 + ... + 1681541.

It is an arithmetic number, because the mean of its divisors is an integer number (84786389184).

Almost surely, 2^{1121200210205} is an apocalyptic number.

It is an amenable number.

1121200210205 is a deficient number, since it is larger than the sum of its proper divisors (235382016739).

1121200210205 is a wasteful number, since it uses less digits than its factorization.

1121200210205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447276.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1121200210205 its reverse (5020120021211), we get a palindrome (6141320231416).

The spelling of 1121200210205 in words is "one trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, two hundred five".