100222111102212 has 144 divisors (see below), whose sum is σ = 290921433304320. Its totient is φ = 28771346404800.

The previous prime is 100222111102207. The next prime is 100222111102229. The reversal of 100222111102212 is 212201111222001.

100222111102212 is a `hidden beast` number, since 100 + 22 + 211 + 110 + 221 + 2 = 666.

It is a super-2 number, since 2×100222111102212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549845563 + ... + 550027805.

It is an arithmetic number, because the mean of its divisors is an integer number (2020287731280).

Almost surely, 2^{100222111102212} is an apocalyptic number.

100222111102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100222111102212 is an abundant number, since it is smaller than the sum of its proper divisors (190699322202108).

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

100222111102212 is a wasteful number, since it uses less digits than its factorization.

100222111102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255374 (or 255369 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100222111102212 its reverse (212201111222001), we get a palindrome (312423222324213).

The spelling of 100222111102212 in words is "one hundred trillion, two hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred twelve".