100111112212112 has 10 divisors (see below), whose sum is σ = 193965279910998. Its totient is φ = 50055556106048.

The previous prime is 100111112212103. The next prime is 100111112212121. The reversal of 100111112212112 is 211212211111001.

It is an interprime number because it is at equal distance from previous prime (100111112212103) and next prime (100111112212121).

It can be written as a sum of positive squares in only one way, i.e., 87539152087696 + 12571960124416 = 9356236^2 + 3545696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128472256613 + ... + 3128472256644.

Almost surely, 2^{100111112212112} is an apocalyptic number.

It is an amenable number.

100111112212112 is a deficient number, since it is larger than the sum of its proper divisors (93854167698886).

100111112212112 is an equidigital number, since it uses as much as digits as its factorization.

100111112212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256944513265 (or 6256944513259 counting only the distinct ones).

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

Adding to 100111112212112 its reverse (211212211111001), we get a palindrome (311323323323113).

The spelling of 100111112212112 in words is "one hundred trillion, one hundred eleven billion, one hundred twelve million, two hundred twelve thousand, one hundred twelve".