1121610611701 has 2 divisors, whose sum is σ = 1121610611702. Its totient is φ = 1121610611700.

The previous prime is 1121610611699. The next prime is 1121610611713. The reversal of 1121610611701 is 1071160161211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042634999025 + 78975612676 = 1021095^2 + 281026^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121610611701 - 2¹ = 1121610611699 is a prime.

It is a super-2 number, since 2×1121610611701² (a number of 25 digits) contains 22 as substring.

Together with 1121610611699, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1121610611701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121610611201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560805305850 + 560805305851.

It is an arithmetic number, because the mean of its divisors is an integer number (560805305851).

Almost surely, 2^{1121610611701} is an apocalyptic number.

It is an amenable number.

1121610611701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121610611701 is an equidigital number, since it uses as much as digits as its factorization.

1121610611701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

Adding to 1121610611701 its reverse (1071160161211), we get a palindrome (2192770772912).

The spelling of 1121610611701 in words is "one trillion, one hundred twenty-one billion, six hundred ten million, six hundred eleven thousand, seven hundred one".