11012111100001 has 4 divisors (see below), whose sum is σ = 12013212109104. Its totient is φ = 10011010090900.

The previous prime is 11012111099993. The next prime is 11012111100017. The reversal of 11012111100001 is 10000111121011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012111100001 - 2³ = 11012111099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012111100061) 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, 500550504535 + ... + 500550504556.

It is an arithmetic number, because the mean of its divisors is an integer number (3003303027276).

Almost surely, 2^{11012111100001} is an apocalyptic number.

11012111100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012111100001 is a deficient number, since it is larger than the sum of its proper divisors (1001101009103).

11012111100001 is a wasteful number, since it uses less digits than its factorization.

11012111100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001101009102.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11012111100001 its reverse (10000111121011), we get a palindrome (21012222221012).

The spelling of 11012111100001 in words is "eleven trillion, twelve billion, one hundred eleven million, one hundred thousand, one".