11011201211011 has 4 divisors (see below), whose sum is σ = 11011262014000. Its totient is φ = 11011140408024.

The previous prime is 11011201211009. The next prime is 11011201211029. The reversal of 11011201211011 is 11011210211011.

11011201211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11011201211011 - 2¹ = 11011201211009 is a prime.

It is a super-2 number, since 2×11011201211011² (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 = 11011201210982 and 11011201211000.

It is not an unprimeable number, because it can be changed into a prime (11011201211711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30129036 + ... + 30492313.

It is an arithmetic number, because the mean of its divisors is an integer number (2752815503500).

Almost surely, 2^{11011201211011} is an apocalyptic number.

11011201211011 is a deficient number, since it is larger than the sum of its proper divisors (60802989).

11011201211011 is an equidigital number, since it uses as much as digits as its factorization.

11011201211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60802988.

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

Adding to 11011201211011 its reverse (11011210211011), we get a palindrome (22022411422022).

Subtracting 11011201211011 from its reverse (11011210211011), we obtain a square (9000000 = 3000²).

The spelling of 11011201211011 in words is "eleven trillion, eleven billion, two hundred one million, two hundred eleven thousand, eleven".