100111201010212 has 24 divisors (see below), whose sum is σ = 200226495357504. Its totient is φ = 42903923289312.

The previous prime is 100111201010189. The next prime is 100111201010213. The reversal of 100111201010212 is 212010102111001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100111201010192 and 100111201010201.

It is not an unprimeable number, because it can be changed into a prime (100111201010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35152663 + ... + 37893694.

It is an arithmetic number, because the mean of its divisors is an integer number (8342770639896).

Almost surely, 2^{100111201010212} is an apocalyptic number.

It is an amenable number.

100111201010212 is an abundant number, since it is smaller than the sum of its proper divisors (100115294347292).

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

100111201010212 is a wasteful number, since it uses less digits than its factorization.

100111201010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73095315 (or 73095313 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100111201010212 its reverse (212010102111001), we get a palindrome (312121303121213).

The spelling of 100111201010212 in words is "one hundred trillion, one hundred eleven billion, two hundred one million, ten thousand, two hundred twelve".