201010302011 has 4 divisors (see below), whose sum is σ = 202030659072. Its totient is φ = 199989944952.

The previous prime is 201010301977. The next prime is 201010302067. The reversal of 201010302011 is 110203010102.

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-201010302011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201010301983 and 201010302001.

It is not an unprimeable number, because it can be changed into a prime (201010302091) 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, 510178235 + ... + 510178628.

It is an arithmetic number, because the mean of its divisors is an integer number (50507664768).

Almost surely, 2^201010302011 is an apocalyptic number.

201010302011 is a deficient number, since it is larger than the sum of its proper divisors (1020357061).

201010302011 is a wasteful number, since it uses less digits than its factorization.

201010302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020357060.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201010302011 its reverse (110203010102), we get a palindrome (311213312113).

The spelling of 201010302011 in words is "two hundred one billion, ten million, three hundred two thousand, eleven".