200101110111101 has 4 divisors (see below), whose sum is σ = 200102249341212. Its totient is φ = 200099970880992.

The previous prime is 200101110111079. The next prime is 200101110111137. The reversal of 200101110111101 is 101111011101002.

It is a happy number.

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 126957119625625 + 73143990485476 = 11267525^2 + 8552426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200101110111101 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 (200101110111191) 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, 569351546 + ... + 569702891.

It is an arithmetic number, because the mean of its divisors is an integer number (50025562335303).

Almost surely, 2^{200101110111101} is an apocalyptic number.

It is an amenable number.

200101110111101 is a deficient number, since it is larger than the sum of its proper divisors (1139230111).

200101110111101 is a wasteful number, since it uses less digits than its factorization.

200101110111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139230110.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 200101110111101 its reverse (101111011101002), we get a palindrome (301212121212103).

The spelling of 200101110111101 in words is "two hundred trillion, one hundred one billion, one hundred ten million, one hundred eleven thousand, one hundred one".