11211022012111 has 8 divisors (see below), whose sum is σ = 11983785990624. Its totient is φ = 10462035386880.

The previous prime is 11211022012079. The next prime is 11211022012159. The reversal of 11211022012111 is 11121022011211.

11211022012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11211022012111 - 2⁵ = 11211022012079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211022012171) 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, 5944337346 + ... + 5944339231.

It is an arithmetic number, because the mean of its divisors is an integer number (1497973248828).

Almost surely, 2^{11211022012111} is an apocalyptic number.

11211022012111 is a deficient number, since it is larger than the sum of its proper divisors (772763978513).

11211022012111 is a wasteful number, since it uses less digits than its factorization.

11211022012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888676641.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11211022012111 its reverse (11121022011211), we get a palindrome (22332044023322).

The spelling of 11211022012111 in words is "eleven trillion, two hundred eleven billion, twenty-two million, twelve thousand, one hundred eleven".