2215522212211 has 16 divisors (see below), whose sum is σ = 2826446946048. Its totient is φ = 1686232548000.

The previous prime is 2215522212149. The next prime is 2215522212259. The reversal of 2215522212211 is 1122122255122.

It is a happy number.

2215522212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2215522212211 - 2¹⁹ = 2215521687923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215522212211.

It is not an unprimeable number, because it can be changed into a prime (2215522213211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334566640 + ... + 334573261.

It is an arithmetic number, because the mean of its divisors is an integer number (176652934128).

Almost surely, 2^{2215522212211} is an apocalyptic number.

2215522212211 is a deficient number, since it is larger than the sum of its proper divisors (610924733837).

2215522212211 is a wasteful number, since it uses less digits than its factorization.

2215522212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669139962.

The product of its digits is 3200, while the sum is 28.

Adding to 2215522212211 its reverse (1122122255122), we get a palindrome (3337644467333).

The spelling of 2215522212211 in words is "two trillion, two hundred fifteen billion, five hundred twenty-two million, two hundred twelve thousand, two hundred eleven".