1121001200243 has 2 divisors, whose sum is σ = 1121001200244. Its totient is φ = 1121001200242.

The previous prime is 1121001200239. The next prime is 1121001200261. The reversal of 1121001200243 is 3420021001211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121001200243 - 2² = 1121001200239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121001200213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500600121 + 560500600122.

It is an arithmetic number, because the mean of its divisors is an integer number (560500600122).

Almost surely, 2^{1121001200243} is an apocalyptic number.

1121001200243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001200243 is an equidigital number, since it uses as much as digits as its factorization.

1121001200243 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 17.

Adding to 1121001200243 its reverse (3420021001211), we get a palindrome (4541022201454).

The spelling of 1121001200243 in words is "one trillion, one hundred twenty-one billion, one million, two hundred thousand, two hundred forty-three".