200030121111001 has 4 divisors (see below), whose sum is σ = 201865259836900. Its totient is φ = 198194982385104.

The previous prime is 200030121110969. The next prime is 200030121111017. The reversal of 200030121111001 is 100111121030002.

It is a happy number.

200030121111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62684589369600 + 137345531741401 = 7917360^2 + 11719451^2 .

It is a cyclic number.

It is not a de Polignac number, because 200030121111001 - 2⁵ = 200030121110969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200030121111091) 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, 917569362786 + ... + 917569363003.

It is an arithmetic number, because the mean of its divisors is an integer number (50466314959225).

Almost surely, 2^{200030121111001} is an apocalyptic number.

It is an amenable number.

200030121111001 is a deficient number, since it is larger than the sum of its proper divisors (1835138725899).

200030121111001 is a wasteful number, since it uses less digits than its factorization.

200030121111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835138725898.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 200030121111001 its reverse (100111121030002), we get a palindrome (300141242141003).

The spelling of 200030121111001 in words is "two hundred trillion, thirty billion, one hundred twenty-one million, one hundred eleven thousand, one".