111102200012111 has 16 divisors (see below), whose sum is σ = 138517374475008. Its totient is φ = 86572926686400.

The previous prime is 111102200012051. The next prime is 111102200012117. The reversal of 111102200012111 is 111210002201111.

It is not a de Polignac number, because 111102200012111 - 2³⁸ = 110827322105167 is a prime.

It is a super-2 number, since 2×111102200012111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102200012117) 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, 33764876 + ... + 36908958.

It is an arithmetic number, because the mean of its divisors is an integer number (8657335904688).

Almost surely, 2^{111102200012111} is an apocalyptic number.

111102200012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111102200012111 is a deficient number, since it is larger than the sum of its proper divisors (27415174462897).

111102200012111 is a wasteful number, since it uses less digits than its factorization.

111102200012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603022.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111102200012111 its reverse (111210002201111), we get a palindrome (222312202213222).

The spelling of 111102200012111 in words is "one hundred eleven trillion, one hundred two billion, two hundred million, twelve thousand, one hundred eleven".