20022112221201 has 12 divisors (see below), whose sum is σ = 28920908435328. Its totient is φ = 13348038042744.

The previous prime is 20022112221187. The next prime is 20022112221233. The reversal of 20022112221201 is 10212221122002.

It is a happy number.

20022112221201 is a `hidden beast` number, since 20 + 0 + 221 + 1 + 2 + 221 + 201 = 666.

It is not a de Polignac number, because 20022112221201 - 2²⁹ = 20021575350289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022112221301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616996 + ... + 6358058.

It is an arithmetic number, because the mean of its divisors is an integer number (2410075702944).

Almost surely, 2^{20022112221201} is an apocalyptic number.

It is an amenable number.

20022112221201 is a deficient number, since it is larger than the sum of its proper divisors (8898796214127).

20022112221201 is a wasteful number, since it uses less digits than its factorization.

20022112221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128572 (or 6128569 counting only the distinct ones).

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

Adding to 20022112221201 its reverse (10212221122002), we get a palindrome (30234333343203).

The spelling of 20022112221201 in words is "twenty trillion, twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".