11121111201011 has 8 divisors (see below), whose sum is σ = 13262443171584. Its totient is φ = 9117929680200.

The previous prime is 11121111200989. The next prime is 11121111201041. The reversal of 11121111201011 is 11010211112111.

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-11121111201011 is a prime.

It is a super-2 number, since 2×11121111201011² (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 (11121111201041) 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, 34537612265 + ... + 34537612586.

It is an arithmetic number, because the mean of its divisors is an integer number (1657805396448).

Almost surely, 2^{11121111201011} is an apocalyptic number.

11121111201011 is a deficient number, since it is larger than the sum of its proper divisors (2141331970573).

11121111201011 is an equidigital number, since it uses as much as digits as its factorization.

11121111201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69075224881.

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

Adding to 11121111201011 its reverse (11010211112111), we get a palindrome (22131322313122).

The spelling of 11121111201011 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, two hundred one thousand, eleven".