121201120222 has 32 divisors (see below), whose sum is σ = 223773645312. Its totient is φ = 47943896544.

The previous prime is 121201120199. The next prime is 121201120231. The reversal of 121201120222 is 222021102121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121201120196 and 121201120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3785493 + ... + 3817375.

It is an arithmetic number, because the mean of its divisors is an integer number (6992926416).

Almost surely, 2^121201120222 is an apocalyptic number.

121201120222 is a deficient number, since it is larger than the sum of its proper divisors (102572525090).

121201120222 is a wasteful number, since it uses less digits than its factorization.

121201120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52792.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121201120222 its reverse (222021102121), we get a palindrome (343222222343).

The spelling of 121201120222 in words is "one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, two hundred twenty-two".