122111121219 has 8 divisors (see below), whose sum is σ = 162853509312. Its totient is φ = 81388073640.

The previous prime is 122111121217. The next prime is 122111121311. The reversal of 122111121219 is 912121111221.

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

It is not a de Polignac number, because 122111121219 - 2¹ = 122111121217 is a prime.

It is a super-2 number, since 2×122111121219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820389 + ... + 4845654.

It is an arithmetic number, because the mean of its divisors is an integer number (20356688664).

Almost surely, 2^122111121219 is an apocalyptic number.

122111121219 is a deficient number, since it is larger than the sum of its proper divisors (40742388093).

122111121219 is an equidigital number, since it uses as much as digits as its factorization.

122111121219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670257.

The product of its digits is 144, while the sum is 24.

The spelling of 122111121219 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred nineteen".