121211101222 has 8 divisors (see below), whose sum is σ = 181823299416. Its totient is φ = 60603334752.

The previous prime is 121211101201. The next prime is 121211101259. The reversal of 121211101222 is 222101112121.

121211101222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 121211101196 and 121211101205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038688 + ... + 1149475.

It is an arithmetic number, because the mean of its divisors is an integer number (22727912427).

Almost surely, 2^121211101222 is an apocalyptic number.

121211101222 is a deficient number, since it is larger than the sum of its proper divisors (60612198194).

121211101222 is a wasteful number, since it uses less digits than its factorization.

121211101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215862.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121211101222 its reverse (222101112121), we get a palindrome (343312213343).

The spelling of 121211101222 in words is "one hundred twenty-one billion, two hundred eleven million, one hundred one thousand, two hundred twenty-two".