11010122121222 has 64 divisors (see below), whose sum is σ = 27967089346560. Its totient is φ = 3145200803712.

The previous prime is 11010122121221. The next prime is 11010122121223. The reversal of 11010122121222 is 22212122101011.

11010122121222 is a `hidden beast` number, since 110 + 101 + 221 + 212 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (11010122121221) and next prime (11010122121223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11010122121195 and 11010122121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010122121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365043 + ... + 4706750.

It is an arithmetic number, because the mean of its divisors is an integer number (436985771040).

Almost surely, 2^{11010122121222} is an apocalyptic number.

11010122121222 is an abundant number, since it is smaller than the sum of its proper divisors (16956967225338).

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

11010122121222 is a wasteful number, since it uses less digits than its factorization.

11010122121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077554 (or 5077548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11010122121222 its reverse (22212122101011), we get a palindrome (33222244222233).

The spelling of 11010122121222 in words is "eleven trillion, ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".