121101101222222 has 8 divisors (see below), whose sum is σ = 198165438363672. Its totient is φ = 55045955101000.

The previous prime is 121101101222209. The next prime is 121101101222303. The reversal of 121101101222222 is 222222101101121.

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 = 121101101222194 and 121101101222203.

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, 2752297755029 + ... + 2752297755072.

It is an arithmetic number, because the mean of its divisors is an integer number (24770679795459).

Almost surely, 2^{121101101222222} is an apocalyptic number.

121101101222222 is a deficient number, since it is larger than the sum of its proper divisors (77064337141450).

121101101222222 is a wasteful number, since it uses less digits than its factorization.

121101101222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504595510114.

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

Adding to 121101101222222 its reverse (222222101101121), we get a palindrome (343323202323343).

The spelling of 121101101222222 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty-two".