11112110122001 has 16 divisors (see below), whose sum is σ = 12761572365696. Its totient is φ = 9478252941696.

The previous prime is 11112110121991. The next prime is 11112110122007. The reversal of 11112110122001 is 10022101121111.

It is a de Polignac number, because none of the positive numbers 2^k-11112110122001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112110122007) 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, 2864366 + ... + 5516231.

It is an arithmetic number, because the mean of its divisors is an integer number (797598272856).

Almost surely, 2^{11112110122001} is an apocalyptic number.

It is an amenable number.

11112110122001 is a deficient number, since it is larger than the sum of its proper divisors (1649462243695).

11112110122001 is an equidigital number, since it uses as much as digits as its factorization.

11112110122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381528.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112110122001 its reverse (10022101121111), we get a palindrome (21134211243112).

The spelling of 11112110122001 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, one hundred twenty-two thousand, one".