111021211211103 has 24 divisors (see below), whose sum is σ = 165870193900320. Its totient is φ = 71507860381440.

The previous prime is 111021211211089. The next prime is 111021211211107. The reversal of 111021211211103 is 301112112120111.

It is not a de Polignac number, because 111021211211103 - 2⁴ = 111021211211087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021211211107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1460498358 + ... + 1460574371.

It is an arithmetic number, because the mean of its divisors is an integer number (6911258079180).

Almost surely, 2^{111021211211103} is an apocalyptic number.

111021211211103 is a deficient number, since it is larger than the sum of its proper divisors (54848982689217).

111021211211103 is a wasteful number, since it uses less digits than its factorization.

111021211211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921072879 (or 2921072876 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 111021211211103 its reverse (301112112120111), we get a palindrome (412133323331214).

The spelling of 111021211211103 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred eleven thousand, one hundred three".