11211122000022 has 64 divisors (see below), whose sum is σ = 26265261947904. Its totient is φ = 3123921490560.

The previous prime is 11211121999967. The next prime is 11211122000059. The reversal of 11211122000022 is 22000022111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211121999965 and 11211122000010.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14707429 + ... + 15450912.

It is an arithmetic number, because the mean of its divisors is an integer number (410394717936).

Almost surely, 2^{11211122000022} is an apocalyptic number.

11211122000022 is an abundant number, since it is smaller than the sum of its proper divisors (15054139947882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211122000022 is a wasteful number, since it uses less digits than its factorization.

11211122000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158573.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11211122000022 its reverse (22000022111211), we get a palindrome (33211144111233).

The spelling of 11211122000022 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two million, twenty-two", and thus it is an aban number.