100000221122212 has 96 divisors (see below), whose sum is σ = 190208667156480. Its totient is φ = 45851326807680.

The previous prime is 100000221122203. The next prime is 100000221122267. The reversal of 100000221122212 is 212221122000001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117605973 + ... + 118453219.

It is an arithmetic number, because the mean of its divisors is an integer number (1981340282880).

Almost surely, 2^{100000221122212} is an apocalyptic number.

It is an amenable number.

100000221122212 is a deficient number, since it is larger than the sum of its proper divisors (90208446034268).

100000221122212 is a wasteful number, since it uses less digits than its factorization.

100000221122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847681 (or 847679 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100000221122212 its reverse (212221122000001), we get a palindrome (312221343122213).

The spelling of 100000221122212 in words is "one hundred trillion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".