200020012111001 has 16 divisors (see below), whose sum is σ = 212209323231888. Its totient is φ = 187877853388800.

The previous prime is 200020012110959. The next prime is 200020012111043. The reversal of 200020012111001 is 100111210020002.

200020012111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200020012110959) and next prime (200020012111043).

It can be written as a sum of positive squares in 8 ways, for example, as 60049992601 + 199959962118400 = 245051^2 + 14140720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200020012111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020012111061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59553161 + ... + 62822121.

It is an arithmetic number, because the mean of its divisors is an integer number (13263082701993).

Almost surely, 2^{200020012111001} is an apocalyptic number.

It is an amenable number.

200020012111001 is a deficient number, since it is larger than the sum of its proper divisors (12189311120887).

200020012111001 is a wasteful number, since it uses less digits than its factorization.

200020012111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276172.

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

Adding to 200020012111001 its reverse (100111210020002), we get a palindrome (300131222131003).

The spelling of 200020012111001 in words is "two hundred trillion, twenty billion, twelve million, one hundred eleven thousand, one".