11220210102011 has 4 divisors (see below), whose sum is σ = 11225129091624. Its totient is φ = 11215291112400.

The previous prime is 11220210101999. The next prime is 11220210102037. The reversal of 11220210102011 is 11020101202211.

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-11220210102011 is a prime.

It is a super-2 number, since 2×11220210102011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220210102071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459491385 + ... + 2459495946.

It is an arithmetic number, because the mean of its divisors is an integer number (2806282272906).

Almost surely, 2^{11220210102011} is an apocalyptic number.

11220210102011 is a deficient number, since it is larger than the sum of its proper divisors (4918989613).

11220210102011 is an equidigital number, since it uses as much as digits as its factorization.

11220210102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918989612.

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

Adding to 11220210102011 its reverse (11020101202211), we get a palindrome (22240311304222).

The spelling of 11220210102011 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, one hundred two thousand, eleven".