1141220411 has 4 divisors (see below), whose sum is σ = 1141310352. Its totient is φ = 1141130472.

The previous prime is 1141220393. The next prime is 1141220413. The reversal of 1141220411 is 1140221411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1141220411 - 2¹⁸ = 1140958267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141220411.

It is not an unprimeable number, because it can be changed into a prime (1141220413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22040 + ... + 52613.

It is an arithmetic number, because the mean of its divisors is an integer number (285327588).

Almost surely, 2^1141220411 is an apocalyptic number.

1141220411 is a deficient number, since it is larger than the sum of its proper divisors (89941).

1141220411 is an equidigital number, since it uses as much as digits as its factorization.

1141220411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89940.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1141220411 is about 33781.9539251358. The cubic root of 1141220411 is about 1045.0165701760.

Adding to 1141220411 its reverse (1140221411), we get a palindrome (2281441822).

The spelling of 1141220411 in words is "one billion, one hundred forty-one million, two hundred twenty thousand, four hundred eleven".