100011121120212 has 24 divisors (see below), whose sum is σ = 234925452300000. Its totient is φ = 33113301846816.

The previous prime is 100011121120187. The next prime is 100011121120271. The reversal of 100011121120212 is 212021121110001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100011121120191 and 100011121120200.

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, 27967313962 + ... + 27967317537.

It is an arithmetic number, because the mean of its divisors is an integer number (9788560512500).

Almost surely, 2^{100011121120212} is an apocalyptic number.

100011121120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100011121120212 is an abundant number, since it is smaller than the sum of its proper divisors (134914331179788).

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

100011121120212 is a wasteful number, since it uses less digits than its factorization.

100011121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55934631655 (or 55934631653 counting only the distinct ones).

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

Adding to 100011121120212 its reverse (212021121110001), we get a palindrome (312032242230213).

The spelling of 100011121120212 in words is "one hundred trillion, eleven billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".