200102111201 has 4 divisors (see below), whose sum is σ = 200242142100. Its totient is φ = 199962080304.

The previous prime is 200102111189. The next prime is 200102111233. The reversal of 200102111201 is 102111201002.

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 7072810000 + 193029301201 = 84100^2 + 439351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200102111201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200102111291) 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, 70013306 + ... + 70016163.

It is an arithmetic number, because the mean of its divisors is an integer number (50060535525).

Almost surely, 2^200102111201 is an apocalyptic number.

It is an amenable number.

200102111201 is a deficient number, since it is larger than the sum of its proper divisors (140030899).

200102111201 is a wasteful number, since it uses less digits than its factorization.

200102111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140030898.

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

Adding to 200102111201 its reverse (102111201002), we get a palindrome (302213312203).

The spelling of 200102111201 in words is "two hundred billion, one hundred two million, one hundred eleven thousand, two hundred one".