200020001200111 has 4 divisors (see below), whose sum is σ = 200023220692800. Its totient is φ = 200016781707424.

The previous prime is 200020001200051. The next prime is 200020001200121. The reversal of 200020001200111 is 111002100020002.

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 200020001200111 - 2¹⁷ = 200020001069039 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 (200020001200121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609653151 + ... + 1609777408.

It is an arithmetic number, because the mean of its divisors is an integer number (50005805173200).

Almost surely, 2^{200020001200111} is an apocalyptic number.

200020001200111 is a deficient number, since it is larger than the sum of its proper divisors (3219492689).

200020001200111 is an equidigital number, since it uses as much as digits as its factorization.

200020001200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219492688.

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

Adding to 200020001200111 its reverse (111002100020002), we get a palindrome (311022101220113).

The spelling of 200020001200111 in words is "two hundred trillion, twenty billion, one million, two hundred thousand, one hundred eleven".