111012010012121 has 8 divisors (see below), whose sum is σ = 116854889104320. Its totient is φ = 105169145092272.

The previous prime is 111012010012109. The next prime is 111012010012133. The reversal of 111012010012121 is 121210010210111.

It is an interprime number because it is at equal distance from previous prime (111012010012109) and next prime (111012010012133).

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-111012010012121 is a prime.

It is a super-3 number, since 3×111012010012121³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111012010012096 and 111012010012105.

It is not an unprimeable number, because it can be changed into a prime (111012010212121) 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, 15032291 + ... + 21165863.

It is an arithmetic number, because the mean of its divisors is an integer number (14606861138040).

Almost surely, 2^{111012010012121} is an apocalyptic number.

It is an amenable number.

111012010012121 is a deficient number, since it is larger than the sum of its proper divisors (5842879092199).

111012010012121 is an equidigital number, since it uses as much as digits as its factorization.

111012010012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086175.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111012010012121 its reverse (121210010210111), we get a palindrome (232222020222232).

The spelling of 111012010012121 in words is "one hundred eleven trillion, twelve billion, ten million, twelve thousand, one hundred twenty-one".