11112011112122 has 8 divisors (see below), whose sum is σ = 16707608157972. Its totient is φ = 5542808392800.

The previous prime is 11112011112089. The next prime is 11112011112127. The reversal of 11112011112122 is 22121111021111.

It can be written as a sum of positive squares in 2 ways, for example, as 8207130606481 + 2904880505641 = 2864809^2 + 1704371^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11112011112122.

It is not an unprimeable number, because it can be changed into a prime (11112011112127) 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, 6598580579 + ... + 6598582262.

Almost surely, 2^{11112011112122} is an apocalyptic number.

11112011112122 is a deficient number, since it is larger than the sum of its proper divisors (5595597045850).

11112011112122 is a wasteful number, since it uses less digits than its factorization.

11112011112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197163264.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11112011112122 its reverse (22121111021111), we get a palindrome (33233122133233).

The spelling of 11112011112122 in words is "eleven trillion, one hundred twelve billion, eleven million, one hundred twelve thousand, one hundred twenty-two".