1121202201 has 16 divisors (see below), whose sum is σ = 1710142848. Its totient is φ = 640070400.

The previous prime is 1121202151. The next prime is 1121202223. The reversal of 1121202201 is 1022021211.

It is not a de Polignac number, because 1121202201 - 2⁷ = 1121202073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121202281) 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, 2880 + ... + 47441.

It is an arithmetic number, because the mean of its divisors is an integer number (106883928).

Almost surely, 2^1121202201 is an apocalyptic number.

It is an amenable number.

1121202201 is a deficient number, since it is larger than the sum of its proper divisors (588940647).

1121202201 is a wasteful number, since it uses less digits than its factorization.

1121202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51392.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1121202201 is about 33484.3575569250. The cubic root of 1121202201 is about 1038.8702602159.

Adding to 1121202201 its reverse (1022021211), we get a palindrome (2143223412).

The spelling of 1121202201 in words is "one billion, one hundred twenty-one million, two hundred two thousand, two hundred one".