100002111221212 has 12 divisors (see below), whose sum is σ = 175058537559696. Its totient is φ = 49985386204160.

The previous prime is 100002111221099. The next prime is 100002111221227. The reversal of 100002111221212 is 212122111200001.

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, 3917337253 + ... + 3917362780.

It is an arithmetic number, because the mean of its divisors is an integer number (14588211463308).

Almost surely, 2^{100002111221212} is an apocalyptic number.

It is an amenable number.

100002111221212 is a deficient number, since it is larger than the sum of its proper divisors (75056426338484).

100002111221212 is a wasteful number, since it uses less digits than its factorization.

100002111221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834703228 (or 7834703226 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100002111221212 its reverse (212122111200001), we get a palindrome (312124222421213).

The spelling of 100002111221212 in words is "one hundred trillion, two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twelve".