1121010061 has 2 divisors, whose sum is σ = 1121010062. Its totient is φ = 1121010060.

The previous prime is 1121009999. The next prime is 1121010083. The reversal of 1121010061 is 1600101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028484900 + 92525161 = 32070^2 + 9619^2 .

It is an emirp because it is prime and its reverse (1600101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121010061 - 2⁷ = 1121009933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505030 + 560505031.

It is an arithmetic number, because the mean of its divisors is an integer number (560505031).

Almost surely, 2^1121010061 is an apocalyptic number.

It is an amenable number.

1121010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121010061 is an equidigital number, since it uses as much as digits as its factorization.

1121010061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121010061 is about 33481.4883331073. The cubic root of 1121010061 is about 1038.8109132236.

Adding to 1121010061 its reverse (1600101211), we get a palindrome (2721111272).

The spelling of 1121010061 in words is "one billion, one hundred twenty-one million, ten thousand, sixty-one".