100111022212 has 12 divisors (see below), whose sum is σ = 175354584076. Its totient is φ = 50009712480.

The previous prime is 100111022189. The next prime is 100111022227. The reversal of 100111022212 is 212220111001.

It can be written as a sum of positive squares in 2 ways, for example, as 64772286016 + 35338736196 = 254504^2 + 187986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100111022192 and 100111022201.

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, 11444739 + ... + 11453482.

Almost surely, 2^100111022212 is an apocalyptic number.

It is an amenable number.

100111022212 is a deficient number, since it is larger than the sum of its proper divisors (75243561864).

100111022212 is a wasteful number, since it uses less digits than its factorization.

100111022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22899318 (or 22899316 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100111022212 its reverse (212220111001), we get a palindrome (312331133213).

The spelling of 100111022212 in words is "one hundred billion, one hundred eleven million, twenty-two thousand, two hundred twelve".