20122110001201 has 16 divisors (see below), whose sum is σ = 22447921744080. Its totient is φ = 17917615457280.

The previous prime is 20122110001199. The next prime is 20122110001229. The reversal of 20122110001201 is 10210001122102.

It can be written as a sum of positive squares in 8 ways, for example, as 13437532444176 + 6684577557025 = 3665724^2 + 2585455^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122110001201 - 2¹ = 20122110001199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122110001241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212045550 + ... + 212140423.

It is an arithmetic number, because the mean of its divisors is an integer number (1402995109005).

Almost surely, 2^{20122110001201} is an apocalyptic number.

It is an amenable number.

20122110001201 is a deficient number, since it is larger than the sum of its proper divisors (2325811742879).

20122110001201 is a wasteful number, since it uses less digits than its factorization.

20122110001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424186116.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20122110001201 its reverse (10210001122102), we get a palindrome (30332111123303).

The spelling of 20122110001201 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, one thousand, two hundred one".