11011201012111 has 4 divisors (see below), whose sum is σ = 11197831537800. Its totient is φ = 10824570486424.

The previous prime is 11011201012069. The next prime is 11011201012151. The reversal of 11011201012111 is 11121010211011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11011201012111 - 2⁷ = 11011201011983 is a prime.

It is a super-2 number, since 2×11011201012111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011201012091 and 11011201012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011201012151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93315262756 + ... + 93315262873.

It is an arithmetic number, because the mean of its divisors is an integer number (2799457884450).

Almost surely, 2^{11011201012111} is an apocalyptic number.

11011201012111 is a deficient number, since it is larger than the sum of its proper divisors (186630525689).

11011201012111 is an equidigital number, since it uses as much as digits as its factorization.

11011201012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186630525688.

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

Adding to 11011201012111 its reverse (11121010211011), we get a palindrome (22132211223122).

The spelling of 11011201012111 in words is "eleven trillion, eleven billion, two hundred one million, twelve thousand, one hundred eleven".