1121301220223 has 2 divisors, whose sum is σ = 1121301220224. Its totient is φ = 1121301220222.

The previous prime is 1121301220211. The next prime is 1121301220271. The reversal of 1121301220223 is 3220221031211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121301220223 - 2²⁴ = 1121284443007 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121301220195 and 1121301220204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121301220283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560650610111 + 560650610112.

It is an arithmetic number, because the mean of its divisors is an integer number (560650610112).

Almost surely, 2^{1121301220223} is an apocalyptic number.

1121301220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121301220223 is an equidigital number, since it uses as much as digits as its factorization.

1121301220223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121301220223 its reverse (3220221031211), we get a palindrome (4341522251434).

The spelling of 1121301220223 in words is "one trillion, one hundred twenty-one billion, three hundred one million, two hundred twenty thousand, two hundred twenty-three".