1121202120047 has 2 divisors, whose sum is σ = 1121202120048. Its totient is φ = 1121202120046.

The previous prime is 1121202119971. The next prime is 1121202120089. The reversal of 1121202120047 is 7400212021211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121202120047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121202120547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601060023 + 560601060024.

It is an arithmetic number, because the mean of its divisors is an integer number (560601060024).

Almost surely, 2^{1121202120047} is an apocalyptic number.

1121202120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121202120047 is an equidigital number, since it uses as much as digits as its factorization.

1121202120047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1121202120047 its reverse (7400212021211), we get a palindrome (8521414141258).

The spelling of 1121202120047 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty thousand, forty-seven".