121222211219 has 8 divisors (see below), whose sum is σ = 128363927040. Its totient is φ = 114081717376.

The previous prime is 121222211167. The next prime is 121222211281. The reversal of 121222211219 is 912112222121.

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

It is a cyclic number.

It is not a de Polignac number, because 121222211219 - 2³⁶ = 52502734483 is a prime.

It is a super-2 number, since 2×121222211219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222217219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97184 + ... + 501885.

It is an arithmetic number, because the mean of its divisors is an integer number (16045490880).

Almost surely, 2^121222211219 is an apocalyptic number.

121222211219 is a deficient number, since it is larger than the sum of its proper divisors (7141715821).

121222211219 is a wasteful number, since it uses less digits than its factorization.

121222211219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610989.

The product of its digits is 576, while the sum is 26.

The spelling of 121222211219 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred nineteen".