1021112330111 has 8 divisors (see below), whose sum is σ = 1081215538704. Its totient is φ = 961013319040.

The previous prime is 1021112330099. The next prime is 1021112330177. The reversal of 1021112330111 is 1110332111201.

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 1021112330111 - 2¹⁰ = 1021112329087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021112330111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112330411) 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, 541505 + ... + 1528218.

It is an arithmetic number, because the mean of its divisors is an integer number (135151942338).

Almost surely, 2^{1021112330111} is an apocalyptic number.

1021112330111 is a deficient number, since it is larger than the sum of its proper divisors (60103208593).

1021112330111 is a wasteful number, since it uses less digits than its factorization.

1021112330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098761.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1021112330111 its reverse (1110332111201), we get a palindrome (2131444441312).

The spelling of 1021112330111 in words is "one trillion, twenty-one billion, one hundred twelve million, three hundred thirty thousand, one hundred eleven".