200122122111001 has 8 divisors (see below), whose sum is σ = 205008152131944. Its totient is φ = 195236330311680.

The previous prime is 200122122110983. The next prime is 200122122111059. The reversal of 200122122111001 is 100111221221002.

It can be written as a sum of positive squares in 4 ways, for example, as 9303842048400 + 190818280062601 = 3050220^2 + 13813699^2 .

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 200122122111001 - 2²⁹ = 200121585240089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122122111101) 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, 57854176 + ... + 61215601.

It is an arithmetic number, because the mean of its divisors is an integer number (25626019016493).

Almost surely, 2^{200122122111001} is an apocalyptic number.

It is an amenable number.

200122122111001 is a deficient number, since it is larger than the sum of its proper divisors (4886030020943).

200122122111001 is a wasteful number, since it uses less digits than its factorization.

200122122111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119110811.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200122122111001 its reverse (100111221221002), we get a palindrome (300233343332003).

The spelling of 200122122111001 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, one".