1134221321447 has 2 divisors, whose sum is σ = 1134221321448. Its totient is φ = 1134221321446.

The previous prime is 1134221321381. The next prime is 1134221321449. The reversal of 1134221321447 is 7441231224311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1134221321447 - 2²⁸ = 1133952885991 is a prime.

Together with 1134221321449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134221321449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567110660723 + 567110660724.

It is an arithmetic number, because the mean of its divisors is an integer number (567110660724).

Almost surely, 2^{1134221321447} is an apocalyptic number.

1134221321447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134221321447 is an equidigital number, since it uses as much as digits as its factorization.

1134221321447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

Adding to 1134221321447 its reverse (7441231224311), we get a palindrome (8575452545758).

The spelling of 1134221321447 in words is "one trillion, one hundred thirty-four billion, two hundred twenty-one million, three hundred twenty-one thousand, four hundred forty-seven".