20022012221101 has 24 divisors (see below), whose sum is σ = 22929905440512. Its totient is φ = 17450050041600.

The previous prime is 20022012221093. The next prime is 20022012221111. The reversal of 20022012221101 is 10112221022002.

It is a happy number.

It is not a de Polignac number, because 20022012221101 - 2³ = 20022012221093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022012221111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24541540 + ... + 25344253.

It is an arithmetic number, because the mean of its divisors is an integer number (955412726688).

Almost surely, 2^{20022012221101} is an apocalyptic number.

It is an amenable number.

20022012221101 is a deficient number, since it is larger than the sum of its proper divisors (2907893219411).

20022012221101 is a wasteful number, since it uses less digits than its factorization.

20022012221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49885953 (or 49885942 counting only the distinct ones).

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

Adding to 20022012221101 its reverse (10112221022002), we get a palindrome (30134233243103).

The spelling of 20022012221101 in words is "twenty trillion, twenty-two billion, twelve million, two hundred twenty-one thousand, one hundred one".