201100022212 has 6 divisors (see below), whose sum is σ = 351925038878. Its totient is φ = 100550011104.

The previous prime is 201100022131. The next prime is 201100022213. The reversal of 201100022212 is 212220001102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 110055408516 + 91044613696 = 331746^2 + 301736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201100022192 and 201100022201.

It is not an unprimeable number, because it can be changed into a prime (201100022213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25137502773 + ... + 25137502780.

Almost surely, 2^201100022212 is an apocalyptic number.

It is an amenable number.

201100022212 is a deficient number, since it is larger than the sum of its proper divisors (150825016666).

201100022212 is a wasteful number, since it uses less digits than its factorization.

201100022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50275005557 (or 50275005555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201100022212 its reverse (212220001102), we get a palindrome (413320023314).

The spelling of 201100022212 in words is "two hundred one billion, one hundred million, twenty-two thousand, two hundred twelve".