20022212221011 has 192 divisors, whose sum is σ = 41845495910400. Its totient is φ = 9291346444800.

The previous prime is 20022212220817. The next prime is 20022212221019. The reversal of 20022212221011 is 11012221222002.

It is a happy number.

20022212221011 is a `hidden beast` number, since 200 + 2 + 221 + 22 + 210 + 11 = 666.

It is not a de Polignac number, because 20022212221011 - 2¹³ = 20022212212819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022212221019) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4157895 + ... + 7571823.

It is an arithmetic number, because the mean of its divisors is an integer number (217945291200).

Almost surely, 2^{20022212221011} is an apocalyptic number.

20022212221011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20022212221011 is an abundant number, since it is smaller than the sum of its proper divisors (21823283689389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022212221011 is a wasteful number, since it uses less digits than its factorization.

20022212221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414007 (or 3413994 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022212221011 its reverse (11012221222002), we get a palindrome (31034433443013).

Subtracting from 20022212221011 its reverse (11012221222002), we obtain a palindrome (9009990999009).

The spelling of 20022212221011 in words is "twenty trillion, twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, eleven".