20022211211 has 8 divisors (see below), whose sum is σ = 20775183744. Its totient is φ = 19275932160.

The previous prime is 20022211207. The next prime is 20022211241. The reversal of 20022211211 is 11211222002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022211211 - 2² = 20022211207 is a prime.

It is a super-3 number, since 3×20022211211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022211241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667276 + ... + 1679241.

It is an arithmetic number, because the mean of its divisors is an integer number (2596897968).

Almost surely, 2^20022211211 is an apocalyptic number.

20022211211 is a deficient number, since it is larger than the sum of its proper divisors (752972533).

20022211211 is a wasteful number, since it uses less digits than its factorization.

20022211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346741.

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

Adding to 20022211211 its reverse (11211222002), we get a palindrome (31233433213).

The spelling of 20022211211 in words is "twenty billion, twenty-two million, two hundred eleven thousand, two hundred eleven".