201101222122 has 4 divisors (see below), whose sum is σ = 301651833186. Its totient is φ = 100550611060.

The previous prime is 201101222117. The next prime is 201101222191. The reversal of 201101222122 is 221222101102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 169786026601 + 31315195521 = 412051^2 + 176961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201101222096 and 201101222105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275305529 + ... + 50275305532.

Almost surely, 2^201101222122 is an apocalyptic number.

201101222122 is a deficient number, since it is larger than the sum of its proper divisors (100550611064).

201101222122 is a wasteful number, since it uses less digits than its factorization.

201101222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100550611063.

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

Adding to 201101222122 its reverse (221222101102), we get a palindrome (422323323224).

The spelling of 201101222122 in words is "two hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".