100112222212 has 6 divisors (see below), whose sum is σ = 175196388878. Its totient is φ = 50056111104.

The previous prime is 100112222191. The next prime is 100112222263. The reversal of 100112222212 is 212222211001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84870838276 + 15241383936 = 291326^2 + 123456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12514027773 + ... + 12514027780.

Almost surely, 2^100112222212 is an apocalyptic number.

It is an amenable number.

100112222212 is a deficient number, since it is larger than the sum of its proper divisors (75084166666).

100112222212 is a wasteful number, since it uses less digits than its factorization.

100112222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028055557 (or 25028055555 counting only the distinct ones).

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

Adding to 100112222212 its reverse (212222211001), we get a palindrome (312334433213).

The spelling of 100112222212 in words is "one hundred billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".