116621101 has 4 divisors (see below), whose sum is σ = 120383104. Its totient is φ = 112859100.

The previous prime is 116621027. The next prime is 116621129. The reversal of 116621101 is 101126611.

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: 101126611 = 3319 ⋅30469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116621101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116621191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880955 + ... + 1881016.

It is an arithmetic number, because the mean of its divisors is an integer number (30095776).

Almost surely, 2^116621101 is an apocalyptic number.

It is an amenable number.

116621101 is a deficient number, since it is larger than the sum of its proper divisors (3762003).

116621101 is an equidigital number, since it uses as much as digits as its factorization.

116621101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762002.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 116621101 is about 10799.1250108516. The cubic root of 116621101 is about 488.5687807867.

Adding to 116621101 its reverse (101126611), we get a palindrome (217747712).

The spelling of 116621101 in words is "one hundred sixteen million, six hundred twenty-one thousand, one hundred one".