100112211101212 has 12 divisors (see below), whose sum is σ = 177164867960640. Its totient is φ = 49493677398176.

The previous prime is 100112211101197. The next prime is 100112211101251. The reversal of 100112211101212 is 212101112211001.

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, 140607037708 + ... + 140607038419.

It is an arithmetic number, because the mean of its divisors is an integer number (14763738996720).

Almost surely, 2^{100112211101212} is an apocalyptic number.

It is an amenable number.

100112211101212 is a deficient number, since it is larger than the sum of its proper divisors (77052656859428).

100112211101212 is a wasteful number, since it uses less digits than its factorization.

100112211101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281214076220 (or 281214076218 counting only the distinct ones).

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

Adding to 100112211101212 its reverse (212101112211001), we get a palindrome (312213323312213).

The spelling of 100112211101212 in words is "one hundred trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, two hundred twelve".