2211320522105 has 32 divisors (see below), whose sum is σ = 2688629981184. Its totient is φ = 1745862261696.

The previous prime is 2211320522087. The next prime is 2211320522153. The reversal of 2211320522105 is 5012250231122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211320522105 - 2⁸ = 2211320521849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105476354 + ... + 105497316.

It is an arithmetic number, because the mean of its divisors is an integer number (84019686912).

Almost surely, 2^{2211320522105} is an apocalyptic number.

It is an amenable number.

2211320522105 is a deficient number, since it is larger than the sum of its proper divisors (477309459079).

2211320522105 is a wasteful number, since it uses less digits than its factorization.

2211320522105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21965.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 2211320522105 its reverse (5012250231122), we get a palindrome (7223570753227).

The spelling of 2211320522105 in words is "two trillion, two hundred eleven billion, three hundred twenty million, five hundred twenty-two thousand, one hundred five".