1120101210161 has 2 divisors, whose sum is σ = 1120101210162. Its totient is φ = 1120101210160.

The previous prime is 1120101210139. The next prime is 1120101210209. The reversal of 1120101210161 is 1610121010211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752660353600 + 367440856561 = 867560^2 + 606169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120101210161 - 2¹⁰ = 1120101209137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120101210121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560050605080 + 560050605081.

It is an arithmetic number, because the mean of its divisors is an integer number (560050605081).

Almost surely, 2^{1120101210161} is an apocalyptic number.

It is an amenable number.

1120101210161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120101210161 is an equidigital number, since it uses as much as digits as its factorization.

1120101210161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1120101210161 its reverse (1610121010211), we get a palindrome (2730222220372).

The spelling of 1120101210161 in words is "one trillion, one hundred twenty billion, one hundred one million, two hundred ten thousand, one hundred sixty-one".