1120021111171 has 2 divisors, whose sum is σ = 1120021111172. Its totient is φ = 1120021111170.

The previous prime is 1120021111133. The next prime is 1120021111177. The reversal of 1120021111171 is 1711111200211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120021111171 - 2¹⁵ = 1120021078403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120021111177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010555585 + 560010555586.

It is an arithmetic number, because the mean of its divisors is an integer number (560010555586).

Almost surely, 2^{1120021111171} is an apocalyptic number.

1120021111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120021111171 is an equidigital number, since it uses as much as digits as its factorization.

1120021111171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 1120021111171 its reverse (1711111200211), we get a palindrome (2831132311382).

The spelling of 1120021111171 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred seventy-one".