11111221011014 has 24 divisors (see below), whose sum is σ = 17861584739688. Its totient is φ = 5182537203200.

The previous prime is 11111221011013. The next prime is 11111221011041. The reversal of 11111221011014 is 41011012211111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 11111221010983 and 11111221011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111221011013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84994712 + ... + 85125339.

It is an arithmetic number, because the mean of its divisors is an integer number (744232697487).

Almost surely, 2^{11111221011014} is an apocalyptic number.

11111221011014 is a deficient number, since it is larger than the sum of its proper divisors (6750363728674).

11111221011014 is a wasteful number, since it uses less digits than its factorization.

11111221011014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170120200 (or 170120183 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11111221011014 its reverse (41011012211111), we get a palindrome (52122233222125).

The spelling of 11111221011014 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-one million, eleven thousand, fourteen".