1010113121111 has 4 divisors (see below), whose sum is σ = 1020114241224. Its totient is φ = 1000112001000.

The previous prime is 1010113121093. The next prime is 1010113121167. The reversal of 1010113121111 is 1111213110101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010113121111 - 2¹⁸ = 1010112858967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010113121411) 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, 5000559905 + ... + 5000560106.

It is an arithmetic number, because the mean of its divisors is an integer number (255028560306).

Almost surely, 2^{1010113121111} is an apocalyptic number.

1010113121111 is a deficient number, since it is larger than the sum of its proper divisors (10001120113).

1010113121111 is a wasteful number, since it uses less digits than its factorization.

1010113121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001120112.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1010113121111 its reverse (1111213110101), we get a palindrome (2121326231212).

The spelling of 1010113121111 in words is "one trillion, ten billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred eleven".