11212220111113 has 8 divisors (see below), whose sum is σ = 12815992456128. Its totient is φ = 9608954419824.

The previous prime is 11212220111089. The next prime is 11212220111119. The reversal of 11212220111113 is 31111102221211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212220111113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212220111119) 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, 126616006 + ... + 126704527.

It is an arithmetic number, because the mean of its divisors is an integer number (1601999057016).

Almost surely, 2^{11212220111113} is an apocalyptic number.

It is an amenable number.

11212220111113 is a deficient number, since it is larger than the sum of its proper divisors (1603772345015).

11212220111113 is an equidigital number, since it uses as much as digits as its factorization.

11212220111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253326863.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11212220111113 its reverse (31111102221211), we get a palindrome (42323322332324).

The spelling of 11212220111113 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred thirteen".