1011200000111 has 8 divisors (see below), whose sum is σ = 1155663229344. Its totient is φ = 866738292480.

The previous prime is 1011199999987. The next prime is 1011200000113. The reversal of 1011200000111 is 1110000021101.

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 1011200000111 - 2³⁴ = 994020130927 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 (1011200000113) 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, 2355251 + ... + 2751291.

It is an arithmetic number, because the mean of its divisors is an integer number (144457903668).

Almost surely, 2^{1011200000111} is an apocalyptic number.

1011200000111 is a deficient number, since it is larger than the sum of its proper divisors (144463229233).

1011200000111 is an equidigital number, since it uses as much as digits as its factorization.

1011200000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760801.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011200000111 its reverse (1110000021101), we get a palindrome (2121200021212).

The spelling of 1011200000111 in words is "one trillion, eleven billion, two hundred million, one hundred eleven", and thus it is an aban number.