116204221021 has 16 divisors (see below), whose sum is σ = 140649315840. Its totient is φ = 93722952960.

The previous prime is 116204221019. The next prime is 116204221061. The reversal of 116204221021 is 120122402611.

It is not a de Polignac number, because 116204221021 - 2¹ = 116204221019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116204220983 and 116204221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116204221061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415660 + ... + 636538.

It is an arithmetic number, because the mean of its divisors is an integer number (8790582240).

Almost surely, 2^116204221021 is an apocalyptic number.

It is an amenable number.

116204221021 is a deficient number, since it is larger than the sum of its proper divisors (24445094819).

116204221021 is a wasteful number, since it uses less digits than its factorization.

116204221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225324.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 116204221021 its reverse (120122402611), we get a palindrome (236326623632).

The spelling of 116204221021 in words is "one hundred sixteen billion, two hundred four million, two hundred twenty-one thousand, twenty-one".