11222001021111 has 16 divisors (see below), whose sum is σ = 15021702009600. Its totient is φ = 7451820177408.

The previous prime is 11222001021103. The next prime is 11222001021157. The reversal of 11222001021111 is 11112010022211.

It is a happy number.

11222001021111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11222001021111 - 2³ = 11222001021103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222001021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14201880 + ... + 14971218.

It is an arithmetic number, because the mean of its divisors is an integer number (938856375600).

Almost surely, 2^{11222001021111} is an apocalyptic number.

11222001021111 is a deficient number, since it is larger than the sum of its proper divisors (3799700988489).

11222001021111 is a wasteful number, since it uses less digits than its factorization.

11222001021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788518.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11222001021111 its reverse (11112010022211), we get a palindrome (22334011043322).

The spelling of 11222001021111 in words is "eleven trillion, two hundred twenty-two billion, one million, twenty-one thousand, one hundred eleven".