1141032221 has 16 divisors (see below), whose sum is σ = 1351139328. Its totient is φ = 942937200.

The previous prime is 1141032209. The next prime is 1141032227. The reversal of 1141032221 is 1222301411.

It is a cyclic number.

It is not a de Polignac number, because 1141032221 - 2⁶ = 1141032157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141032227) 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, 49106 + ... + 68508.

It is an arithmetic number, because the mean of its divisors is an integer number (84446208).

Almost surely, 2^1141032221 is an apocalyptic number.

It is an amenable number.

1141032221 is a deficient number, since it is larger than the sum of its proper divisors (210107107).

1141032221 is a wasteful number, since it uses less digits than its factorization.

1141032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19712.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1141032221 is about 33779.1684474322. The cubic root of 1141032221 is about 1044.9591251001.

Adding to 1141032221 its reverse (1222301411), we get a palindrome (2363333632).

The spelling of 1141032221 in words is "one billion, one hundred forty-one million, thirty-two thousand, two hundred twenty-one".