11112111011201 has 8 divisors (see below), whose sum is σ = 11483111728704. Its totient is φ = 10746227545200.

The previous prime is 11112111011171. The next prime is 11112111011233. The reversal of 11112111011201 is 10211011121111.

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-11112111011201 is a prime.

It is a super-2 number, since 2×11112111011201² (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 (11112111011401) 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, 1279308461 + ... + 1279317146.

It is an arithmetic number, because the mean of its divisors is an integer number (1435388966088).

Almost surely, 2^{11112111011201} is an apocalyptic number.

It is an amenable number.

11112111011201 is a deficient number, since it is larger than the sum of its proper divisors (371000717503).

11112111011201 is a wasteful number, since it uses less digits than its factorization.

11112111011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558625751.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11112111011201 its reverse (10211011121111), we get a palindrome (21323122132312).

The spelling of 11112111011201 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, eleven thousand, two hundred one".