201012202222222 has 4 divisors (see below), whose sum is σ = 301518303333336. Its totient is φ = 100506101111110.

The previous prime is 201012202222211. The next prime is 201012202222229. The reversal of 201012202222222 is 222222202210102.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 201012202222193 and 201012202222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012202222229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253050555554 + ... + 50253050555557.

It is an arithmetic number, because the mean of its divisors is an integer number (75379575833334).

Almost surely, 2^{201012202222222} is an apocalyptic number.

201012202222222 is a deficient number, since it is larger than the sum of its proper divisors (100506101111114).

201012202222222 is a wasteful number, since it uses less digits than its factorization.

201012202222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100506101111113.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201012202222222 its reverse (222222202210102), we get a palindrome (423234404432324).

The spelling of 201012202222222 in words is "two hundred one trillion, twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".