2211115216057 has 4 divisors (see below), whose sum is σ = 2412125690256. Its totient is φ = 2010104741860.

The previous prime is 2211115216043. The next prime is 2211115216103. The reversal of 2211115216057 is 7506125111122.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211115216057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211115213057) 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, 100505237083 + ... + 100505237104.

It is an arithmetic number, because the mean of its divisors is an integer number (603031422564).

Almost surely, 2^{2211115216057} is an apocalyptic number.

It is an amenable number.

2211115216057 is a deficient number, since it is larger than the sum of its proper divisors (201010474199).

2211115216057 is a wasteful number, since it uses less digits than its factorization.

2211115216057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201010474198.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 2211115216057 in words is "two trillion, two hundred eleven billion, one hundred fifteen million, two hundred sixteen thousand, fifty-seven".