1121200201 has 16 divisors (see below), whose sum is σ = 1296848448. Its totient is φ = 958003200.

The previous prime is 1121200163. The next prime is 1121200207. The reversal of 1121200201 is 1020021211.

It is not a de Polignac number, because 1121200201 - 2¹¹ = 1121198153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147961 + ... + 155353.

It is an arithmetic number, because the mean of its divisors is an integer number (81053028).

Almost surely, 2^1121200201 is an apocalyptic number.

1121200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121200201 is a deficient number, since it is larger than the sum of its proper divisors (175648247).

1121200201 is a wasteful number, since it uses less digits than its factorization.

1121200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1121200201 is about 33484.3276922204. The cubic root of 1121200201 is about 1038.8696425034.

Adding to 1121200201 its reverse (1020021211), we get a palindrome (2141221412).

It can be divided in two parts, 11 and 21200201, that added together give a palindrome (21200212).

The spelling of 1121200201 in words is "one billion, one hundred twenty-one million, two hundred thousand, two hundred one".