1012201112111 has 8 divisors (see below), whose sum is σ = 1158771976320. Its totient is φ = 866122924248.

The previous prime is 1012201112077. The next prime is 1012201112171. The reversal of 1012201112111 is 1112111022101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012201112111 - 2⁶ = 1012201112047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012201112171) 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, 123164681 + ... + 123172898.

It is an arithmetic number, because the mean of its divisors is an integer number (144846497040).

Almost surely, 2^{1012201112111} is an apocalyptic number.

1012201112111 is a deficient number, since it is larger than the sum of its proper divisors (146570864209).

1012201112111 is an equidigital number, since it uses as much as digits as its factorization.

1012201112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246338173.

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

Adding to 1012201112111 its reverse (1112111022101), we get a palindrome (2124312134212).

The spelling of 1012201112111 in words is "one trillion, twelve billion, two hundred one million, one hundred twelve thousand, one hundred eleven".