201202120022011 has 4 divisors (see below), whose sum is σ = 201202148998312. Its totient is φ = 201202091045712.

The previous prime is 201202120022003. The next prime is 201202120022063. The reversal of 201202120022011 is 110220021202102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201202120022011 - 2³ = 201202120022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201202120022611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818600 + ... + 20257066.

It is an arithmetic number, because the mean of its divisors is an integer number (50300537249578).

Almost surely, 2^{201202120022011} is an apocalyptic number.

201202120022011 is a deficient number, since it is larger than the sum of its proper divisors (28976301).

201202120022011 is a wasteful number, since it uses less digits than its factorization.

201202120022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28976300.

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

Adding to 201202120022011 its reverse (110220021202102), we get a palindrome (311422141224113).

The spelling of 201202120022011 in words is "two hundred one trillion, two hundred two billion, one hundred twenty million, twenty-two thousand, eleven".