121101212222 has 8 divisors (see below), whose sum is σ = 181659211272. Its totient is φ = 60548141800.

The previous prime is 121101212179. The next prime is 121101212237. The reversal of 121101212222 is 222212101121.

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

It is a super-3 number, since 3×121101212222³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121101212222.

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 3 ways as a sum of consecutive naturals, for example, 1170104 + ... + 1269387.

It is an arithmetic number, because the mean of its divisors is an integer number (22707401409).

Almost surely, 2^121101212222 is an apocalyptic number.

121101212222 is a deficient number, since it is larger than the sum of its proper divisors (60557999050).

121101212222 is a wasteful number, since it uses less digits than its factorization.

121101212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464314.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121101212222 its reverse (222212101121), we get a palindrome (343313313343).

The spelling of 121101212222 in words is "one hundred twenty-one billion, one hundred one million, two hundred twelve thousand, two hundred twenty-two".