2212662324161 has 4 divisors (see below), whose sum is σ = 2234144482752. Its totient is φ = 2191180165572.

The previous prime is 2212662324139. The next prime is 2212662324221. The reversal of 2212662324161 is 1614232662122.

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 not a de Polignac number, because 2212662324161 - 2⁶ = 2212662324097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2212662324361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10741079141 + ... + 10741079346.

It is an arithmetic number, because the mean of its divisors is an integer number (558536120688).

Almost surely, 2^{2212662324161} is an apocalyptic number.

It is an amenable number.

2212662324161 is a deficient number, since it is larger than the sum of its proper divisors (21482158591).

2212662324161 is a wasteful number, since it uses less digits than its factorization.

2212662324161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21482158590.

The product of its digits is 82944, while the sum is 38.

Adding to 2212662324161 its reverse (1614232662122), we get a palindrome (3826894986283).

The spelling of 2212662324161 in words is "two trillion, two hundred twelve billion, six hundred sixty-two million, three hundred twenty-four thousand, one hundred sixty-one".