121211102120222 has 8 divisors (see below), whose sum is σ = 191385950716200. Its totient is φ = 57415785214824.

The previous prime is 121211102120197. The next prime is 121211102120231. The reversal of 121211102120222 is 222021201112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121211102120194 and 121211102120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594882922597 + ... + 1594882922672.

It is an arithmetic number, because the mean of its divisors is an integer number (23923243839525).

Almost surely, 2^{121211102120222} is an apocalyptic number.

121211102120222 is a deficient number, since it is larger than the sum of its proper divisors (70174848595978).

121211102120222 is a wasteful number, since it uses less digits than its factorization.

121211102120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189765845290.

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

Adding to 121211102120222 its reverse (222021201112121), we get a palindrome (343232303232343).

The spelling of 121211102120222 in words is "one hundred twenty-one trillion, two hundred eleven billion, one hundred two million, one hundred twenty thousand, two hundred twenty-two".