11102122121222 has 24 divisors (see below), whose sum is σ = 18312813876168. Its totient is φ = 5044192862720.

The previous prime is 11102122121221. The next prime is 11102122121291. The reversal of 11102122121222 is 22212122120111.

It is a junction number, because it is equal to n+sod(n) for n = 11102122121194 and 11102122121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102122121221) 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 11 ways as a sum of consecutive naturals, for example, 9569723 + ... + 10666950.

It is an arithmetic number, because the mean of its divisors is an integer number (763033911507).

Almost surely, 2^{11102122121222} is an apocalyptic number.

11102122121222 is a deficient number, since it is larger than the sum of its proper divisors (7210691754946).

11102122121222 is a wasteful number, since it uses less digits than its factorization.

11102122121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238964 (or 20238953 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11102122121222 its reverse (22212122120111), we get a palindrome (33314244241333).

The spelling of 11102122121222 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".