121100222202112 has 18 divisors (see below), whose sum is σ = 241727396661758. Its totient is φ = 60550111100928.

The previous prime is 121100222202079. The next prime is 121100222202131. The reversal of 121100222202112 is 211202222001121.

121100222202112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 103263317364736 + 17836904837376 = 10161856^2 + 4223376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121100222202112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236523871233 + ... + 236523871744.

Almost surely, 2^{121100222202112} is an apocalyptic number.

It is an amenable number.

121100222202112 is a deficient number, since it is larger than the sum of its proper divisors (120627174459646).

121100222202112 is an frugal number, since it uses more digits than its factorization.

121100222202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473047742993 (or 473047742979 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121100222202112 its reverse (211202222001121), we get a palindrome (332302444203233).

The spelling of 121100222202112 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twenty-two million, two hundred two thousand, one hundred twelve".