1121203221143 has 2 divisors, whose sum is σ = 1121203221144. Its totient is φ = 1121203221142.

The previous prime is 1121203221119. The next prime is 1121203221181. The reversal of 1121203221143 is 3411223021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121203221143 - 2¹² = 1121203217047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121203271143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601610571 + 560601610572.

It is an arithmetic number, because the mean of its divisors is an integer number (560601610572).

Almost surely, 2^{1121203221143} is an apocalyptic number.

1121203221143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121203221143 is an equidigital number, since it uses as much as digits as its factorization.

1121203221143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1121203221143 its reverse (3411223021211), we get a palindrome (4532426242354).

The spelling of 1121203221143 in words is "one trillion, one hundred twenty-one billion, two hundred three million, two hundred twenty-one thousand, one hundred forty-three".