121102210112 has 112 divisors (see below), whose sum is σ = 261920736000. Its totient is φ = 55222702080.

The previous prime is 121102210093. The next prime is 121102210169. The reversal of 121102210112 is 211012201121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26046764 + ... + 26051412.

It is an arithmetic number, because the mean of its divisors is an integer number (2338578000).

Almost surely, 2^121102210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130960368000).

121102210112 is an abundant number, since it is smaller than the sum of its proper divisors (140818525888).

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

121102210112 is a wasteful number, since it uses less digits than its factorization.

121102210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121102210112 its reverse (211012201121), we get a palindrome (332114411233).

It can be divided in two parts, 12110 and 2210112, that added together give a palindrome (2222222).

The spelling of 121102210112 in words is "one hundred twenty-one billion, one hundred two million, two hundred ten thousand, one hundred twelve".