100110111211212 has 96 divisors (see below), whose sum is σ = 238920981411840. Its totient is φ = 32610665007360.

The previous prime is 100110111211153. The next prime is 100110111211219. The reversal of 100110111211212 is 212112111011001.

It is a junction number, because it is equal to n+sod(n) for n = 100110111211191 and 100110111211200.

It is not an unprimeable number, because it can be changed into a prime (100110111211219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4472984262 + ... + 4473006642.

It is an arithmetic number, because the mean of its divisors is an integer number (2488760223040).

Almost surely, 2^{100110111211212} is an apocalyptic number.

100110111211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100110111211212 is an abundant number, since it is smaller than the sum of its proper divisors (138810870200628).

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

100110111211212 is a wasteful number, since it uses less digits than its factorization.

100110111211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34071 (or 34069 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100110111211212 its reverse (212112111011001), we get a palindrome (312222222222213).

The spelling of 100110111211212 in words is "one hundred trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, two hundred twelve".