200121001122001 has 32 divisors (see below), whose sum is σ = 214527387582720. Its totient is φ = 186114269203200.

The previous prime is 200121001121989. The next prime is 200121001122011. The reversal of 200121001122001 is 100221100121002.

It is not a de Polignac number, because 200121001122001 - 2⁵ = 200121001121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121001122011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8983290075 + ... + 8983312351.

It is an arithmetic number, because the mean of its divisors is an integer number (6703980861960).

Almost surely, 2^{200121001122001} is an apocalyptic number.

It is an amenable number.

200121001122001 is a deficient number, since it is larger than the sum of its proper divisors (14406386460719).

200121001122001 is a wasteful number, since it uses less digits than its factorization.

200121001122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225.

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

Adding to 200121001122001 its reverse (100221100121002), we get a palindrome (300342101243003).

The spelling of 200121001122001 in words is "two hundred trillion, one hundred twenty-one billion, one million, one hundred twenty-two thousand, one".