1111011112001 has 16 divisors (see below), whose sum is σ = 1306828569600. Its totient is φ = 924869428560.

The previous prime is 1111011111997. The next prime is 1111011112019. The reversal of 1111011112001 is 1002111101111.

It is a happy number.

It is not a de Polignac number, because 1111011112001 - 2² = 1111011111997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111011112091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16649051 + ... + 16715648.

It is an arithmetic number, because the mean of its divisors is an integer number (81676785600).

Almost surely, 2^{1111011112001} is an apocalyptic number.

It is an amenable number.

1111011112001 is a deficient number, since it is larger than the sum of its proper divisors (195817457599).

1111011112001 is an equidigital number, since it uses as much as digits as its factorization.

1111011112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33364844.

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

Adding to 1111011112001 its reverse (1002111101111), we get a palindrome (2113122213112).

The spelling of 1111011112001 in words is "one trillion, one hundred eleven billion, eleven million, one hundred twelve thousand, one".