20021222002011 has 8 divisors (see below), whose sum is σ = 26829108211200. Its totient is φ = 13280408563752.

The previous prime is 20021222001953. The next prime is 20021222002027. The reversal of 20021222002011 is 11020022212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20021222002011 - 2⁹ = 20021222001499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021222002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16768192035 + ... + 16768193228.

It is an arithmetic number, because the mean of its divisors is an integer number (3353638526400).

Almost surely, 2^{20021222002011} is an apocalyptic number.

20021222002011 is a deficient number, since it is larger than the sum of its proper divisors (6807886209189).

20021222002011 is a wasteful number, since it uses less digits than its factorization.

20021222002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33536385465.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20021222002011 its reverse (11020022212002), we get a palindrome (31041244214013).

The spelling of 20021222002011 in words is "twenty trillion, twenty-one billion, two hundred twenty-two million, two thousand, eleven".