11202120111011 has 8 divisors (see below), whose sum is σ = 11259876839904. Its totient is φ = 11144372404480.

The previous prime is 11202120110999. The next prime is 11202120111043. The reversal of 11202120111011 is 11011102120211.

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

It is a cyclic number.

It is not a de Polignac number, because 11202120111011 - 2⁶ = 11202120110947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202120111211) 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, 241106 + ... + 4739448.

It is an arithmetic number, because the mean of its divisors is an integer number (1407484604988).

Almost surely, 2^{11202120111011} is an apocalyptic number.

11202120111011 is a deficient number, since it is larger than the sum of its proper divisors (57756728893).

11202120111011 is a wasteful number, since it uses less digits than its factorization.

11202120111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511181.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11202120111011 its reverse (11011102120211), we get a palindrome (22213222231222).

The spelling of 11202120111011 in words is "eleven trillion, two hundred two billion, one hundred twenty million, one hundred eleven thousand, eleven".