202011222011 has 4 divisors (see below), whose sum is σ = 202012533024. Its totient is φ = 202009911000.

The previous prime is 202011221957. The next prime is 202011222019. The reversal of 202011222011 is 110222110202.

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

It is a cyclic number.

It is not a de Polignac number, because 202011222011 - 2⁶ = 202011221947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202011222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387980 + ... + 744681.

It is an arithmetic number, because the mean of its divisors is an integer number (50503133256).

Almost surely, 2^202011222011 is an apocalyptic number.

202011222011 is a deficient number, since it is larger than the sum of its proper divisors (1311013).

202011222011 is a wasteful number, since it uses less digits than its factorization.

202011222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311012.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202011222011 its reverse (110222110202), we get a palindrome (312233332213).

The spelling of 202011222011 in words is "two hundred two billion, eleven million, two hundred twenty-two thousand, eleven".