11212119983 has 4 divisors (see below), whose sum is σ = 11598744840. Its totient is φ = 10825495128.

The previous prime is 11212119979. The next prime is 11212120033. The reversal of 11212119983 is 38991121211.

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 11212119983 - 2² = 11212119979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212119883) 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, 193312385 + ... + 193312442.

It is an arithmetic number, because the mean of its divisors is an integer number (2899686210).

Almost surely, 2^11212119983 is an apocalyptic number.

11212119983 is a deficient number, since it is larger than the sum of its proper divisors (386624857).

11212119983 is an equidigital number, since it uses as much as digits as its factorization.

11212119983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386624856.

The product of its digits is 7776, while the sum is 38.

The spelling of 11212119983 in words is "eleven billion, two hundred twelve million, one hundred nineteen thousand, nine hundred eighty-three".