121010111120112 has 40 divisors (see below), whose sum is σ = 329062582872960. Its totient is φ = 38213719300800.

The previous prime is 121010111120053. The next prime is 121010111120117. The reversal of 121010111120112 is 211021111010121.

It is a junction number, because it is equal to n+sod(n) for n = 121010111120091 and 121010111120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010111120117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66343261764 + ... + 66343263587.

It is an arithmetic number, because the mean of its divisors is an integer number (8226564571824).

Almost surely, 2^{121010111120112} is an apocalyptic number.

121010111120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010111120112 is an abundant number, since it is smaller than the sum of its proper divisors (208052471752848).

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

121010111120112 is a wasteful number, since it uses less digits than its factorization.

121010111120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132686525381 (or 132686525375 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121010111120112 its reverse (211021111010121), we get a palindrome (332031222130233).

The spelling of 121010111120112 in words is "one hundred twenty-one trillion, ten billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".