100222112212 has 24 divisors (see below), whose sum is σ = 178592450400. Its totient is φ = 49197898656.

The previous prime is 100222112203. The next prime is 100222112213. The reversal of 100222112212 is 212211222001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222112213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92262 + ... + 457117.

It is an arithmetic number, because the mean of its divisors is an integer number (7441352100).

Almost surely, 2^100222112212 is an apocalyptic number.

It is an amenable number.

100222112212 is a deficient number, since it is larger than the sum of its proper divisors (78370338188).

100222112212 is a wasteful number, since it uses less digits than its factorization.

100222112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550215 (or 550213 counting only the distinct ones).

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

Adding to 100222112212 its reverse (212211222001), we get a palindrome (312433334213).

The spelling of 100222112212 in words is "one hundred billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twelve".