200122010121001 has 8 divisors (see below), whose sum is σ = 200219157006120. Its totient is φ = 200024874137088.

The previous prime is 200122010120999. The next prime is 200122010121013. The reversal of 200122010121001 is 100121010221002.

It can be written as a sum of positive squares in 4 ways, for example, as 17053397939776 + 183068612181225 = 4129576^2 + 13530285^2 .

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 200122010121001 - 2¹ = 200122010120999 is a prime.

It is a super-2 number, since 2×200122010121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122010121401) 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, 34120005 + ... + 39552733.

It is an arithmetic number, because the mean of its divisors is an integer number (25027394625765).

Almost surely, 2^{200122010121001} is an apocalyptic number.

It is an amenable number.

200122010121001 is a deficient number, since it is larger than the sum of its proper divisors (97146885119).

200122010121001 is a wasteful number, since it uses less digits than its factorization.

200122010121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450603.

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

Adding to 200122010121001 its reverse (100121010221002), we get a palindrome (300243020342003).

The spelling of 200122010121001 in words is "two hundred trillion, one hundred twenty-two billion, ten million, one hundred twenty-one thousand, one".