11212012110019 has 4 divisors (see below), whose sum is σ = 12813728125744. Its totient is φ = 9610296094296.

The previous prime is 11212012110007. The next prime is 11212012110083. The reversal of 11212012110019 is 91001121021211.

It is a happy number.

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 11212012110019 - 2¹³ = 11212012101827 is a prime.

It is a super-2 number, since 2×11212012110019² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212012110419) 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, 800858007852 + ... + 800858007865.

It is an arithmetic number, because the mean of its divisors is an integer number (3203432031436).

Almost surely, 2^{11212012110019} is an apocalyptic number.

11212012110019 is a deficient number, since it is larger than the sum of its proper divisors (1601716015725).

11212012110019 is an equidigital number, since it uses as much as digits as its factorization.

11212012110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601716015724.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11212012110019 in words is "eleven trillion, two hundred twelve billion, twelve million, one hundred ten thousand, nineteen".