1141104042221 has 32 divisors (see below), whose sum is σ = 1447122136320. Its totient is φ = 884352268800.

The previous prime is 1141104042217. The next prime is 1141104042251. The reversal of 1141104042221 is 1222404011411.

It is not a de Polignac number, because 1141104042221 - 2² = 1141104042217 is a prime.

It is a super-2 number, since 2×1141104042221² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141104042251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5886440 + ... + 6077201.

It is an arithmetic number, because the mean of its divisors is an integer number (45222566760).

Almost surely, 2^{1141104042221} is an apocalyptic number.

1141104042221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1141104042221 is a deficient number, since it is larger than the sum of its proper divisors (306018094099).

1141104042221 is a wasteful number, since it uses less digits than its factorization.

1141104042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963717.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1141104042221 its reverse (1222404011411), we get a palindrome (2363508053632).

The spelling of 1141104042221 in words is "one trillion, one hundred forty-one billion, one hundred four million, forty-two thousand, two hundred twenty-one".