121112011130 has 32 divisors (see below), whose sum is σ = 237859227648. Its totient is φ = 44033457600.

The previous prime is 121112011121. The next prime is 121112011151. The reversal of 121112011130 is 31110211121.

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 15 ways as a sum of consecutive naturals, for example, 602024 + ... + 777596.

It is an arithmetic number, because the mean of its divisors is an integer number (7433100864).

Almost surely, 2^121112011130 is an apocalyptic number.

121112011130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112011130 is a deficient number, since it is larger than the sum of its proper divisors (116747216518).

121112011130 is a wasteful number, since it uses less digits than its factorization.

121112011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181862.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121112011130 its reverse (31110211121), we get a palindrome (152222222251).

Subtracting from 121112011130 its reverse (31110211121), we obtain a square (90001800009 = 300003²).

The spelling of 121112011130 in words is "one hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred thirty".