201122120022002 has 4 divisors (see below), whose sum is σ = 301683180033006. Its totient is φ = 100561060011000.

The previous prime is 201122120022001. The next prime is 201122120022023. The reversal of 201122120022002 is 200220021221102.

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., 136879025619961 + 64243094402041 = 11699531^2 + 8015179^2 .

It is not an unprimeable number, because it can be changed into a prime (201122120022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280530005499 + ... + 50280530005502.

Almost surely, 2^{201122120022002} is an apocalyptic number.

201122120022002 is a deficient number, since it is larger than the sum of its proper divisors (100561060011004).

201122120022002 is a wasteful number, since it uses less digits than its factorization.

201122120022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100561060011003.

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

Adding to 201122120022002 its reverse (200220021221102), we get a palindrome (401342141243104).

The spelling of 201122120022002 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, twenty-two thousand, two".