200122011012001 has 8 divisors (see below), whose sum is σ = 215517067086440. Its totient is φ = 184727105684352.

The previous prime is 200122011011959. The next prime is 200122011012017. The reversal of 200122011012001 is 100210110221002.

It can be written as a sum of positive squares in 4 ways, for example, as 17674373025 + 200104336638976 = 132945^2 + 14145824^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200122011012001 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 (200122011012901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34921986 + ... + 40246603.

It is an arithmetic number, because the mean of its divisors is an integer number (26939633385805).

Almost surely, 2^{200122011012001} is an apocalyptic number.

It is an amenable number.

200122011012001 is a deficient number, since it is larger than the sum of its proper divisors (15395056074439).

200122011012001 is a wasteful number, since it uses less digits than its factorization.

200122011012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75373395.

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

Adding to 200122011012001 its reverse (100210110221002), we get a palindrome (300332121233003).

The spelling of 200122011012001 in words is "two hundred trillion, one hundred twenty-two billion, eleven million, twelve thousand, one".