111111010000001 has 32 divisors (see below), whose sum is σ = 124994780004096. Its totient is φ = 97919902080000.

The previous prime is 111111009999937. The next prime is 111111010000013. The reversal of 111111010000001 is 100000010111111.

It is not a de Polignac number, because 111111010000001 - 2⁶ = 111111009999937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111111010000021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6111116 + ... + 16111106.

It is an arithmetic number, because the mean of its divisors is an integer number (3906086875128).

Almost surely, 2^{111111010000001} is an apocalyptic number.

111111010000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111111010000001 is a deficient number, since it is larger than the sum of its proper divisors (13883770004095).

111111010000001 is a wasteful number, since it uses less digits than its factorization.

111111010000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000313.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111111010000001 its reverse (100000010111111), we get a palindrome (211111020111112).

It can be divided in two parts, 1111110 and 10000001, that added together give a palindrome (11111111).

The spelling of 111111010000001 in words is "one hundred eleven trillion, one hundred eleven billion, ten million, one", and thus it is an aban number.