121110210110112 has 48 divisors (see below), whose sum is σ = 328876863668640. Its totient is φ = 38977998655232.

The previous prime is 121110210110093. The next prime is 121110210110119. The reversal of 121110210110112 is 211011012011121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 121110210110091 and 121110210110100.

It is not an unprimeable number, because it can be changed into a prime (121110210110119) 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, 21751112538 + ... + 21751118105.

It is an arithmetic number, because the mean of its divisors is an integer number (6851601326430).

Almost surely, 2^{121110210110112} is an apocalyptic number.

121110210110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110210110112 is an abundant number, since it is smaller than the sum of its proper divisors (207766653558528).

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

121110210110112 is a wasteful number, since it uses less digits than its factorization.

121110210110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43502230685 (or 43502230677 counting only the distinct ones).

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

Adding to 121110210110112 its reverse (211011012011121), we get a palindrome (332121222121233).

The spelling of 121110210110112 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred ten million, one hundred ten thousand, one hundred twelve".