20000201020111 has 4 divisors (see below), whose sum is σ = 21538678021672. Its totient is φ = 18461724018552.

The previous prime is 20000201020103. The next prime is 20000201020231. The reversal of 20000201020111 is 11102010200002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000201020111 - 2³ = 20000201020103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000201021111) 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 3 ways as a sum of consecutive naturals, for example, 769238500761 + ... + 769238500786.

It is an arithmetic number, because the mean of its divisors is an integer number (5384669505418).

Almost surely, 2^{20000201020111} is an apocalyptic number.

20000201020111 is a deficient number, since it is larger than the sum of its proper divisors (1538477001561).

20000201020111 is a wasteful number, since it uses less digits than its factorization.

20000201020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538477001560.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000201020111 its reverse (11102010200002), we get a palindrome (31102211220113).

The spelling of 20000201020111 in words is "twenty trillion, two hundred one million, twenty thousand, one hundred eleven".