100220112222212 has 12 divisors (see below), whose sum is σ = 178357826836560. Its totient is φ = 49260733126056.

The previous prime is 100220112222157. The next prime is 100220112222221. The reversal of 100220112222212 is 212222211022001.

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, 212330745998 + ... + 212330746469.

It is an arithmetic number, because the mean of its divisors is an integer number (14863152236380).

Almost surely, 2^{100220112222212} is an apocalyptic number.

It is an amenable number.

100220112222212 is a deficient number, since it is larger than the sum of its proper divisors (78137714614348).

100220112222212 is a wasteful number, since it uses less digits than its factorization.

100220112222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424661492530 (or 424661492528 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100220112222212 its reverse (212222211022001), we get a palindrome (312442323244213).

The spelling of 100220112222212 in words is "one hundred trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".