11121112210122 has 24 divisors (see below), whose sum is σ = 24608418509376. Its totient is φ = 3628164266856.

The previous prime is 11121112210121. The next prime is 11121112210127. The reversal of 11121112210122 is 22101221112111.

It is a happy number.

11121112210122 is a `hidden beast` number, since 111 + 211 + 1 + 221 + 0 + 122 = 666.

It is a super-4 number, since 4×11121112210122⁴ (a number of 53 digits) contains 4444 as substring.

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 = 11121112210095 and 11121112210104.

It is not an unprimeable number, because it can be changed into a prime (11121112210121) 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 11 ways as a sum of consecutive naturals, for example, 6572760508 + ... + 6572762199.

It is an arithmetic number, because the mean of its divisors is an integer number (1025350771224).

Almost surely, 2^{11121112210122} is an apocalyptic number.

11121112210122 is an abundant number, since it is smaller than the sum of its proper divisors (13487306299254).

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

11121112210122 is a wasteful number, since it uses less digits than its factorization.

11121112210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145522762 (or 13145522759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11121112210122 its reverse (22101221112111), we get a palindrome (33222333322233).

It can be divided in two parts, 1112111 and 2210122, that added together give a palindrome (3322233).

The spelling of 11121112210122 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-two".