2116331161242 has 8 divisors (see below), whose sum is σ = 4232662322496. Its totient is φ = 705443720412.

The previous prime is 2116331161187. The next prime is 2116331161277. The reversal of 2116331161242 is 2421611336112.

It is a sphenic number, since it is the product of 3 distinct primes.

2116331161242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176360930098 + ... + 176360930109.

It is an arithmetic number, because the mean of its divisors is an integer number (529082790312).

Almost surely, 2^{2116331161242} is an apocalyptic number.

2116331161242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116331161242 is a wasteful number, since it uses less digits than its factorization.

2116331161242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352721860212.

The product of its digits is 10368, while the sum is 33.

Adding to 2116331161242 its reverse (2421611336112), we get a palindrome (4537942497354).

The spelling of 2116331161242 in words is "two trillion, one hundred sixteen billion, three hundred thirty-one million, one hundred sixty-one thousand, two hundred forty-two".