1011010112111 has 4 divisors (see below), whose sum is σ = 1045872529800. Its totient is φ = 976147694424.

The previous prime is 1011010112083. The next prime is 1011010112179. The reversal of 1011010112111 is 1112110101101.

It is a happy number.

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 1011010112111 - 2¹⁴ = 1011010095727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011010112092 and 1011010112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011010112191) 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, 17431208801 + ... + 17431208858.

It is an arithmetic number, because the mean of its divisors is an integer number (261468132450).

Almost surely, 2^{1011010112111} is an apocalyptic number.

1011010112111 is a deficient number, since it is larger than the sum of its proper divisors (34862417689).

1011010112111 is an equidigital number, since it uses as much as digits as its factorization.

1011010112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862417688.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1011010112111 its reverse (1112110101101), we get a palindrome (2123120213212).

The spelling of 1011010112111 in words is "one trillion, eleven billion, ten million, one hundred twelve thousand, one hundred eleven".