11211111001022 has 64 divisors (see below), whose sum is σ = 18499598208000. Its totient is φ = 5074973906688.

The previous prime is 11211111000967. The next prime is 11211111001049. The reversal of 11211111001022 is 22010011111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211111000988 and 11211111001006.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 226192679 + ... + 226242237.

It is an arithmetic number, because the mean of its divisors is an integer number (289056222000).

Almost surely, 2^{11211111001022} is an apocalyptic number.

11211111001022 is a deficient number, since it is larger than the sum of its proper divisors (7288487206978).

11211111001022 is a wasteful number, since it uses less digits than its factorization.

11211111001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51705.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11211111001022 its reverse (22010011111211), we get a palindrome (33221122112233).

The spelling of 11211111001022 in words is "eleven trillion, two hundred eleven billion, one hundred eleven million, one thousand, twenty-two".