11000122212011 has 4 divisors (see below), whose sum is σ = 11026375487400. Its totient is φ = 10973868936624.

The previous prime is 11000122211977. The next prime is 11000122212077. The reversal of 11000122212011 is 11021222100011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000122212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000122212091) by changing a digit.

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, 13126637066 + ... + 13126637903.

It is an arithmetic number, because the mean of its divisors is an integer number (2756593871850).

Almost surely, 2^{11000122212011} is an apocalyptic number.

11000122212011 is a deficient number, since it is larger than the sum of its proper divisors (26253275389).

11000122212011 is an equidigital number, since it uses as much as digits as its factorization.

11000122212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26253275388.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11000122212011 its reverse (11021222100011), we get a palindrome (22021344312022).

The spelling of 11000122212011 in words is "eleven trillion, one hundred twenty-two million, two hundred twelve thousand, eleven".