1010111011111 has 8 divisors (see below), whose sum is σ = 1010632327280. Its totient is φ = 1009589790528.

The previous prime is 1010111011099. The next prime is 1010111011139. The reversal of 1010111011111 is 1111101110101.

It is a happy number.

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 1010111011111 - 2²⁵ = 1010077456679 is a prime.

It is a super-3 number, since 3×1010111011111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111011211) 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, 30714985 + ... + 30747853.

It is an arithmetic number, because the mean of its divisors is an integer number (126329040910).

Almost surely, 2^{1010111011111} is an apocalyptic number.

1010111011111 is a deficient number, since it is larger than the sum of its proper divisors (521316169).

1010111011111 is a wasteful number, since it uses less digits than its factorization.

1010111011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47793.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1010111011111 its reverse (1111101110101), we get a palindrome (2121212121212).

The spelling of 1010111011111 in words is "one trillion, ten billion, one hundred eleven million, eleven thousand, one hundred eleven".