20122020221201 has 8 divisors (see below), whose sum is σ = 20268218355264. Its totient is φ = 19976050345680.

The previous prime is 20122020221189. The next prime is 20122020221203. The reversal of 20122020221201 is 10212202022102.

It is a happy number.

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 20122020221201 - 2²⁶ = 20121953112337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122020221201.

It is not an unprimeable number, because it can be changed into a prime (20122020221203) 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, 56887685 + ... + 57240306.

It is an arithmetic number, because the mean of its divisors is an integer number (2533527294408).

Almost surely, 2^{20122020221201} is an apocalyptic number.

It is an amenable number.

20122020221201 is a deficient number, since it is larger than the sum of its proper divisors (146198134063).

20122020221201 is a wasteful number, since it uses less digits than its factorization.

20122020221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114129271.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122020221201 its reverse (10212202022102), we get a palindrome (30334222243303).

The spelling of 20122020221201 in words is "twenty trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred one".