2742121722116 has 12 divisors (see below), whose sum is σ = 5484243444288. Its totient is φ = 1175195023752.

The previous prime is 2742121722089. The next prime is 2742121722127. The reversal of 2742121722116 is 6112271212472.

2742121722116 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2742121722116.

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, 48966459296 + ... + 48966459351.

It is an arithmetic number, because the mean of its divisors is an integer number (457020287024).

Almost surely, 2^{2742121722116} is an apocalyptic number.

It is an amenable number.

2742121722116 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.

2742121722116 is a wasteful number, since it uses less digits than its factorization.

2742121722116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97932918658 (or 97932918656 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

Adding to 2742121722116 its reverse (6112271212472), we get a palindrome (8854392934588).

The spelling of 2742121722116 in words is "two trillion, seven hundred forty-two billion, one hundred twenty-one million, seven hundred twenty-two thousand, one hundred sixteen".