201010021211 has 4 divisors (see below), whose sum is σ = 201010919424. Its totient is φ = 201009123000.

The previous prime is 201010021193. The next prime is 201010021217. The reversal of 201010021211 is 112120010102.

201010021211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201010021211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201010021192 and 201010021201.

It is not an unprimeable number, because it can be changed into a prime (201010021217) 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 3 ways as a sum of consecutive naturals, for example, 185261 + ... + 660561.

It is an arithmetic number, because the mean of its divisors is an integer number (50252729856).

Almost surely, 2^201010021211 is an apocalyptic number.

201010021211 is a deficient number, since it is larger than the sum of its proper divisors (898213).

201010021211 is an equidigital number, since it uses as much as digits as its factorization.

201010021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898212.

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

Adding to 201010021211 its reverse (112120010102), we get a palindrome (313130031313).

The spelling of 201010021211 in words is "two hundred one billion, ten million, twenty-one thousand, two hundred eleven".