100111200112212 has 24 divisors (see below), whose sum is σ = 243749008969536. Its totient is φ = 31919513079168.

The previous prime is 100111200112181. The next prime is 100111200112243. The reversal of 100111200112212 is 212211002111001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100111200112181) and next prime (100111200112243).

It is a super-2 number, since 2×100111200112212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100111200112191 and 100111200112200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181360869493 + ... + 181360870044.

It is an arithmetic number, because the mean of its divisors is an integer number (10156208707064).

Almost surely, 2^{100111200112212} is an apocalyptic number.

100111200112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111200112212 is an abundant number, since it is smaller than the sum of its proper divisors (143637808857324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100111200112212 is a wasteful number, since it uses less digits than its factorization.

100111200112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362721739567 (or 362721739565 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100111200112212 its reverse (212211002111001), we get a palindrome (312322202223213).

The spelling of 100111200112212 in words is "one hundred trillion, one hundred eleven billion, two hundred million, one hundred twelve thousand, two hundred twelve".