1141213244221 has 4 divisors (see below), whose sum is σ = 1201277099200. Its totient is φ = 1081149389244.

The previous prime is 1141213244207. The next prime is 1141213244233. The reversal of 1141213244221 is 1224423121411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141213244221 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 1141213244221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141213244201) 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, 30031927461 + ... + 30031927498.

It is an arithmetic number, because the mean of its divisors is an integer number (300319274800).

Almost surely, 2^{1141213244221} is an apocalyptic number.

It is an amenable number.

1141213244221 is a deficient number, since it is larger than the sum of its proper divisors (60063854979).

1141213244221 is an equidigital number, since it uses as much as digits as its factorization.

1141213244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60063854978.

The product of its digits is 3072, while the sum is 28.

Adding to 1141213244221 its reverse (1224423121411), we get a palindrome (2365636365632).

The spelling of 1141213244221 in words is "one trillion, one hundred forty-one billion, two hundred thirteen million, two hundred forty-four thousand, two hundred twenty-one".