201012212222 has 4 divisors (see below), whose sum is σ = 301518318336. Its totient is φ = 100506106110.

The previous prime is 201012212201. The next prime is 201012212239. The reversal of 201012212222 is 222212210102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222212210102 = 2 ⋅111106105051.

It is a self number, because there is not a number n which added to its sum of digits gives 201012212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253053054 + ... + 50253053057.

It is an arithmetic number, because the mean of its divisors is an integer number (75379579584).

Almost surely, 2^201012212222 is an apocalyptic number.

201012212222 is a deficient number, since it is larger than the sum of its proper divisors (100506106114).

201012212222 is a wasteful number, since it uses less digits than its factorization.

201012212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100506106113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201012212222 its reverse (222212210102), we get a palindrome (423224422324).

The spelling of 201012212222 in words is "two hundred one billion, twelve million, two hundred twelve thousand, two hundred twenty-two".