1121120201 has 8 divisors (see below), whose sum is σ = 1129570440. Its totient is φ = 1112686848.

The previous prime is 1121120171. The next prime is 1121120219. The reversal of 1121120201 is 1020211211.

It can be written as a sum of positive squares in 4 ways, for example, as 278088976 + 843031225 = 16676^2 + 29035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121120291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149735 + ... + 157043.

It is an arithmetic number, because the mean of its divisors is an integer number (141196305).

Almost surely, 2^1121120201 is an apocalyptic number.

It is an amenable number.

1121120201 is a deficient number, since it is larger than the sum of its proper divisors (8450239).

1121120201 is an equidigital number, since it uses as much as digits as its factorization.

1121120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121120201 is about 33483.1330821953. The cubic root of 1121120201 is about 1038.8449334021.

Adding to 1121120201 its reverse (1020211211), we get a palindrome (2141331412).

The spelling of 1121120201 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".