1141221022 has 4 divisors (see below), whose sum is σ = 1711831536. Its totient is φ = 570610510.

The previous prime is 1141220981. The next prime is 1141221043. The reversal of 1141221022 is 2201221411.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1141220987 and 1141221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285305254 + ... + 285305257.

It is an arithmetic number, because the mean of its divisors is an integer number (427957884).

Almost surely, 2^1141221022 is an apocalyptic number.

1141221022 is a deficient number, since it is larger than the sum of its proper divisors (570610514).

1141221022 is an equidigital number, since it uses as much as digits as its factorization.

1141221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570610513.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1141221022 is about 33781.9629684244. The cubic root of 1141221022 is about 1045.0167566737.

Adding to 1141221022 its reverse (2201221411), we get a palindrome (3342442433).

The spelling of 1141221022 in words is "one billion, one hundred forty-one million, two hundred twenty-one thousand, twenty-two".