11101121121230 has 128 divisors (see below), whose sum is σ = 24059389132800. Its totient is φ = 3682548696960.

The previous prime is 11101121121221. The next prime is 11101121121257. The reversal of 11101121121230 is 3212112110111.

It is a junction number, because it is equal to n+sod(n) for n = 11101121121199 and 11101121121208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 745684847 + ... + 745699733.

It is an arithmetic number, because the mean of its divisors is an integer number (187963977600).

Almost surely, 2^{11101121121230} is an apocalyptic number.

11101121121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101121121230 is an abundant number, since it is smaller than the sum of its proper divisors (12958268011570).

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

11101121121230 is a wasteful number, since it uses less digits than its factorization.

11101121121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21959 (or 21945 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11101121121230 its reverse (3212112110111), we get a palindrome (14313233231341).

The spelling of 11101121121230 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty".