11112112021103 has 16 divisors (see below), whose sum is σ = 11173897885920. Its totient is φ = 11050510924800.

The previous prime is 11112112021093. The next prime is 11112112021111. The reversal of 11112112021103 is 30112021121111.

It is a cyclic number.

It is not a de Polignac number, because 11112112021103 - 2⁸ = 11112112020847 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 (11112112021163) 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, 405404663 + ... + 405432071.

It is an arithmetic number, because the mean of its divisors is an integer number (698368617870).

Almost surely, 2^{11112112021103} is an apocalyptic number.

11112112021103 is a deficient number, since it is larger than the sum of its proper divisors (61785864817).

11112112021103 is a wasteful number, since it uses less digits than its factorization.

11112112021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30698.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11112112021103 its reverse (30112021121111), we get a palindrome (41224133142214).

The spelling of 11112112021103 in words is "eleven trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred three".