111012120121219 has 16 divisors (see below), whose sum is σ = 115407385067520. Its totient is φ = 106655108263200.

The previous prime is 111012120121181. The next prime is 111012120121313. The reversal of 111012120121219 is 912121021210111.

It is a cyclic number.

It is not a de Polignac number, because 111012120121219 - 2³⁹ = 110462364307331 is a prime.

It is a super-2 number, since 2×111012120121219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012120121193 and 111012120121202.

It is not an unprimeable number, because it can be changed into a prime (111012120121519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10383694 + ... + 18161644.

It is an arithmetic number, because the mean of its divisors is an integer number (7212961566720).

Almost surely, 2^{111012120121219} is an apocalyptic number.

111012120121219 is a deficient number, since it is larger than the sum of its proper divisors (4395264946301).

111012120121219 is a wasteful number, since it uses less digits than its factorization.

111012120121219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780410.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 111012120121219 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, two hundred nineteen".