11021210212105 has 32 divisors (see below), whose sum is σ = 14370376800384. Its totient is φ = 8081979472896.

The previous prime is 11021210212043. The next prime is 11021210212109. The reversal of 11021210212105 is 50121201212011.

It is a cyclic number.

It is not a de Polignac number, because 11021210212105 - 2¹¹ = 11021210210057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021210212109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3076642 + ... + 5613211.

It is an arithmetic number, because the mean of its divisors is an integer number (449074275012).

Almost surely, 2^{11021210212105} is an apocalyptic number.

It is an amenable number.

11021210212105 is a deficient number, since it is larger than the sum of its proper divisors (3349166588279).

11021210212105 is a wasteful number, since it uses less digits than its factorization.

11021210212105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690265.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 11021210212105 its reverse (50121201212011), we get a palindrome (61142411424116).

The spelling of 11021210212105 in words is "eleven trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred five".