121111200012219 has 4 divisors (see below), whose sum is σ = 161481600016296. Its totient is φ = 80740800008144.

The previous prime is 121111200012197. The next prime is 121111200012233. The reversal of 121111200012219 is 912210002111121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121111200012219 - 2⁴⁰ = 120011688384443 is a prime.

It is a super-2 number, since 2×121111200012219² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121111200010219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20185200002034 + ... + 20185200002039.

It is an arithmetic number, because the mean of its divisors is an integer number (40370400004074).

Almost surely, 2^{121111200012219} is an apocalyptic number.

121111200012219 is a deficient number, since it is larger than the sum of its proper divisors (40370400004077).

121111200012219 is an equidigital number, since it uses as much as digits as its factorization.

121111200012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40370400004076.

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

The spelling of 121111200012219 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, twelve thousand, two hundred nineteen".