200101001011 has 4 divisors (see below), whose sum is σ = 200307079224. Its totient is φ = 199894922800.

The previous prime is 200101000987. The next prime is 200101001017. The reversal of 200101001011 is 110100101002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200101001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101000985 and 200101001003.

It is not an unprimeable number, because it can be changed into a prime (200101001017) 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, 103037650 + ... + 103039591.

It is an arithmetic number, because the mean of its divisors is an integer number (50076769806).

Almost surely, 2^200101001011 is an apocalyptic number.

200101001011 is a deficient number, since it is larger than the sum of its proper divisors (206078213).

200101001011 is an equidigital number, since it uses as much as digits as its factorization.

200101001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206078212.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 200101001011 its reverse (110100101002), we get a palindrome (310201102013).

Subtracting from 200101001011 its reverse (110100101002), we obtain a palindrome (90000900009).

The spelling of 200101001011 in words is "two hundred billion, one hundred one million, one thousand, eleven".