121101221120222 has 48 divisors (see below), whose sum is σ = 220567318161408. Its totient is φ = 48839801013120.

The previous prime is 121101221120221. The next prime is 121101221120227. The reversal of 121101221120222 is 222021122101121.

121101221120222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121101221120194 and 121101221120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101221120221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23162963 + ... + 27905649.

It is an arithmetic number, because the mean of its divisors is an integer number (4595152461696).

Almost surely, 2^{121101221120222} is an apocalyptic number.

121101221120222 is a deficient number, since it is larger than the sum of its proper divisors (99466097041186).

121101221120222 is a wasteful number, since it uses less digits than its factorization.

121101221120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749041 (or 4749024 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121101221120222 its reverse (222021122101121), we get a palindrome (343122343221343).

The spelling of 121101221120222 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".