11112111120001 has 8 divisors (see below), whose sum is σ = 11611373310720. Its totient is φ = 10614192839712.

The previous prime is 11112111119987. The next prime is 11112111120029. The reversal of 11112111120001 is 10002111121111.

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 11112111120001 - 2¹¹ = 11112111117953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112111124001) 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, 335960700 + ... + 335993773.

It is an arithmetic number, because the mean of its divisors is an integer number (1451421663840).

Almost surely, 2^{11112111120001} is an apocalyptic number.

It is an amenable number.

11112111120001 is a deficient number, since it is larger than the sum of its proper divisors (499262190719).

11112111120001 is an equidigital number, since it uses as much as digits as its factorization.

11112111120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671955215.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112111120001 its reverse (10002111121111), we get a palindrome (21114222241112).

The spelling of 11112111120001 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, one".