121013021123112 has 16 divisors (see below), whose sum is σ = 302532552807840. Its totient is φ = 40337673707696.

The previous prime is 121013021123101. The next prime is 121013021123143. The reversal of 121013021123112 is 211321120310121.

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 3 ways as a sum of consecutive naturals, for example, 2521104606708 + ... + 2521104606755.

It is an arithmetic number, because the mean of its divisors is an integer number (18908284550490).

Almost surely, 2^{121013021123112} is an apocalyptic number.

121013021123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121013021123112 is an abundant number, since it is smaller than the sum of its proper divisors (181519531684728).

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

121013021123112 is a wasteful number, since it uses less digits than its factorization.

121013021123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042209213472 (or 5042209213468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121013021123112 its reverse (211321120310121), we get a palindrome (332334141433233).

The spelling of 121013021123112 in words is "one hundred twenty-one trillion, thirteen billion, twenty-one million, one hundred twenty-three thousand, one hundred twelve".