1101120221143 has 2 divisors, whose sum is σ = 1101120221144. Its totient is φ = 1101120221142.

The previous prime is 1101120221111. The next prime is 1101120221219. The reversal of 1101120221143 is 3411220211011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3411220211011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101120221143 - 2⁵ = 1101120221111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101120221143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101120224143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560110571 + 550560110572.

It is an arithmetic number, because the mean of its divisors is an integer number (550560110572).

Almost surely, 2^{1101120221143} is an apocalyptic number.

1101120221143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101120221143 is an equidigital number, since it uses as much as digits as its factorization.

1101120221143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1101120221143 its reverse (3411220211011), we get a palindrome (4512340432154).

The spelling of 1101120221143 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred forty-three".