200111121020001 has 16 divisors (see below), whose sum is σ = 266921377809408. Its totient is φ = 133354149003600.

The previous prime is 200111121019993. The next prime is 200111121020011. The reversal of 200111121020001 is 100020121111002.

It is not a de Polignac number, because 200111121020001 - 2³ = 200111121019993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200111121020011) 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, 80129716 + ... + 82589306.

It is an arithmetic number, because the mean of its divisors is an integer number (16682586113088).

Almost surely, 2^{200111121020001} is an apocalyptic number.

It is an amenable number.

200111121020001 is a deficient number, since it is larger than the sum of its proper divisors (66810256789407).

200111121020001 is a wasteful number, since it uses less digits than its factorization.

200111121020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470412.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200111121020001 its reverse (100020121111002), we get a palindrome (300131242131003).

The spelling of 200111121020001 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty-one million, twenty thousand, one".