121102222110112 has 24 divisors (see below), whose sum is σ = 238453081959456. Its totient is φ = 60542709231552.

The previous prime is 121102222110097. The next prime is 121102222110119. The reversal of 121102222110112 is 211011222201121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121102222110112.

It is not an unprimeable number, because it can be changed into a prime (121102222110119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262322758 + ... + 262784005.

It is an arithmetic number, because the mean of its divisors is an integer number (9935545081644).

Almost surely, 2^{121102222110112} is an apocalyptic number.

It is an amenable number.

121102222110112 is a deficient number, since it is larger than the sum of its proper divisors (117350859849344).

121102222110112 is an equidigital number, since it uses as much as digits as its factorization.

121102222110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525113980 (or 525113972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121102222110112 its reverse (211011222201121), we get a palindrome (332113444311233).

The spelling of 121102222110112 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-two million, one hundred ten thousand, one hundred twelve".