111210102121112 has 16 divisors (see below), whose sum is σ = 208521869661360. Its totient is φ = 55604270211424.

The previous prime is 111210102121103. The next prime is 111210102121121. The reversal of 111210102121112 is 211121201012111.

111210102121112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111210102121103) and next prime (111210102121121).

It is a super-2 number, since 2×111210102121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97000628 + ... + 98140419.

It is an arithmetic number, because the mean of its divisors is an integer number (13032616853835).

Almost surely, 2^{111210102121112} is an apocalyptic number.

It is an amenable number.

111210102121112 is a deficient number, since it is larger than the sum of its proper divisors (97311767540248).

111210102121112 is a wasteful number, since it uses less digits than its factorization.

111210102121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195212290 (or 195212286 counting only the distinct ones).

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

Adding to 111210102121112 its reverse (211121201012111), we get a palindrome (322331303133223).

The spelling of 111210102121112 in words is "one hundred eleven trillion, two hundred ten billion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".