1116161101 has 4 divisors (see below), whose sum is σ = 1217630304. Its totient is φ = 1014691900.

The previous prime is 1116161087. The next prime is 1116161113. The reversal of 1116161101 is 1011616111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1011616111 = 11 ⋅91965101.

It is a cyclic number.

It is not a de Polignac number, because 1116161101 - 2¹³ = 1116152909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116161141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50734585 + ... + 50734606.

It is an arithmetic number, because the mean of its divisors is an integer number (304407576).

Almost surely, 2^1116161101 is an apocalyptic number.

1116161101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1116161101 is a deficient number, since it is larger than the sum of its proper divisors (101469203).

1116161101 is a wasteful number, since it uses less digits than its factorization.

1116161101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101469202.

The product of its (nonzero) digits is 36, while the sum is 19.

The square root of 1116161101 is about 33408.9973061150. The cubic root of 1116161101 is about 1037.3109466531.

Adding to 1116161101 its reverse (1011616111), we get a palindrome (2127777212).

It can be divided in two parts, 111616110 and 1, that added together give a palindrome (111616111).

The spelling of 1116161101 in words is "one billion, one hundred sixteen million, one hundred sixty-one thousand, one hundred one".