201111020210 has 32 divisors (see below), whose sum is σ = 370777841280. Its totient is φ = 78497371008.

The previous prime is 201111020207. The next prime is 201111020233. The reversal of 201111020210 is 12020111102.

201111020210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201111020191 and 201111020200.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 217811 + ... + 670569.

It is an arithmetic number, because the mean of its divisors is an integer number (11586807540).

Almost surely, 2^201111020210 is an apocalyptic number.

201111020210 is a deficient number, since it is larger than the sum of its proper divisors (169666821070).

201111020210 is a wasteful number, since it uses less digits than its factorization.

201111020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453842.

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

Adding to 201111020210 its reverse (12020111102), we get a palindrome (213131131312).

The spelling of 201111020210 in words is "two hundred one billion, one hundred eleven million, twenty thousand, two hundred ten".