200020112101001 has 16 divisors (see below), whose sum is σ = 209042858757888. Its totient is φ = 191024560742400.

The previous prime is 200020112100973. The next prime is 200020112101003. The reversal of 200020112101001 is 100101211020002.

It is a cyclic number.

It is not a de Polignac number, because 200020112101001 - 2¹⁸ = 200020111838857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020112101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542812141 + ... + 1542941781.

It is an arithmetic number, because the mean of its divisors is an integer number (13065178672368).

Almost surely, 2^{200020112101001} is an apocalyptic number.

It is an amenable number.

200020112101001 is a deficient number, since it is larger than the sum of its proper divisors (9022746656887).

200020112101001 is a wasteful number, since it uses less digits than its factorization.

200020112101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233992.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200020112101001 its reverse (100101211020002), we get a palindrome (300121323121003).

The spelling of 200020112101001 in words is "two hundred trillion, twenty billion, one hundred twelve million, one hundred one thousand, one".