11112012102121 has 8 divisors (see below), whose sum is σ = 13446468426240. Its totient is φ = 8964312283968.

The previous prime is 11112012102073. The next prime is 11112012102131. The reversal of 11112012102121 is 12120121021111.

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-11112012102121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112012102095 and 11112012102104.

It is not an unprimeable number, because it can be changed into a prime (11112012102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46689126361 + ... + 46689126598.

It is an arithmetic number, because the mean of its divisors is an integer number (1680808553280).

Almost surely, 2^{11112012102121} is an apocalyptic number.

It is an amenable number.

11112012102121 is a deficient number, since it is larger than the sum of its proper divisors (2334456324119).

11112012102121 is an equidigital number, since it uses as much as digits as its factorization.

11112012102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93378252983.

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

Adding to 11112012102121 its reverse (12120121021111), we get a palindrome (23232133123232).

The spelling of 11112012102121 in words is "eleven trillion, one hundred twelve billion, twelve million, one hundred two thousand, one hundred twenty-one".