11110111212001 has 8 divisors (see below), whose sum is σ = 11275998728960. Its totient is φ = 10944225605808.

The previous prime is 11110111211987. The next prime is 11110111212023. The reversal of 11110111212001 is 10021211101111.

11110111212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110111212001 is a prime.

It is a super-2 number, since 2×11110111212001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110111212901) 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, 14911600 + ... + 15638926.

It is an arithmetic number, because the mean of its divisors is an integer number (1409499841120).

Almost surely, 2^{11110111212001} is an apocalyptic number.

It is an amenable number.

11110111212001 is a deficient number, since it is larger than the sum of its proper divisors (165887516959).

11110111212001 is an equidigital number, since it uses as much as digits as its factorization.

11110111212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955383.

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

Adding to 11110111212001 its reverse (10021211101111), we get a palindrome (21131322313112).

The spelling of 11110111212001 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, two hundred twelve thousand, one".