2215340211356 has 12 divisors (see below), whose sum is σ = 3879064526568. Its totient is φ = 1107036060912.

The previous prime is 2215340211323. The next prime is 2215340211391. The reversal of 2215340211356 is 6531120435122.

It is a congruent number.

It is an unprimeable number.

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, 158503331 + ... + 158517306.

It is an arithmetic number, because the mean of its divisors is an integer number (323255377214).

Almost surely, 2^{2215340211356} is an apocalyptic number.

It is an amenable number.

2215340211356 is a deficient number, since it is larger than the sum of its proper divisors (1663724315212).

2215340211356 is a wasteful number, since it uses less digits than its factorization.

2215340211356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317022388 (or 317022386 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 2215340211356 its reverse (6531120435122), we get a palindrome (8746460646478).

The spelling of 2215340211356 in words is "two trillion, two hundred fifteen billion, three hundred forty million, two hundred eleven thousand, three hundred fifty-six".