1121102220071 has 2 divisors, whose sum is σ = 1121102220072. Its totient is φ = 1121102220070.

The previous prime is 1121102220041. The next prime is 1121102220083. The reversal of 1121102220071 is 1700222011211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121102220071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121102220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560551110035 + 560551110036.

It is an arithmetic number, because the mean of its divisors is an integer number (560551110036).

Almost surely, 2^{1121102220071} is an apocalyptic number.

1121102220071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121102220071 is an equidigital number, since it uses as much as digits as its factorization.

1121102220071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1121102220071 its reverse (1700222011211), we get a palindrome (2821324231282).

The spelling of 1121102220071 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, seventy-one".