201000211011 has 48 divisors (see below), whose sum is σ = 307812960000. Its totient is φ = 126165473280.

The previous prime is 201000211003. The next prime is 201000211019. The reversal of 201000211011 is 110112000102.

It is a happy number.

201000211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201000211003) and next prime (201000211019).

It is not a de Polignac number, because 201000211011 - 2³ = 201000211003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201000210984 and 201000211002.

It is not an unprimeable number, because it can be changed into a prime (201000211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43326030 + ... + 43330668.

It is an arithmetic number, because the mean of its divisors is an integer number (6412770000).

Almost surely, 2^201000211011 is an apocalyptic number.

201000211011 is a deficient number, since it is larger than the sum of its proper divisors (106812748989).

201000211011 is a wasteful number, since it uses less digits than its factorization.

201000211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8764 (or 8761 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201000211011 its reverse (110112000102), we get a palindrome (311112211113).

The spelling of 201000211011 in words is "two hundred one billion, two hundred eleven thousand, eleven".