201210211011 has 4 divisors (see below), whose sum is σ = 268280281352. Its totient is φ = 134140140672.

The previous prime is 201210211001. The next prime is 201210211067. The reversal of 201210211011 is 110112012102.

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

It is not a de Polignac number, because 201210211011 - 2¹⁹ = 201209686723 is a prime.

It is a super-2 number, since 2×201210211011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535035166 + ... + 33535035171.

It is an arithmetic number, because the mean of its divisors is an integer number (67070070338).

Almost surely, 2^201210211011 is an apocalyptic number.

201210211011 is a deficient number, since it is larger than the sum of its proper divisors (67070070341).

201210211011 is an equidigital number, since it uses as much as digits as its factorization.

201210211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070070340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201210211011 its reverse (110112012102), we get a palindrome (311322223113).

It can be divided in two parts, 2012102 and 11011, that multiplied together give a palindrome (22155255122).

The spelling of 201210211011 in words is "two hundred one billion, two hundred ten million, two hundred eleven thousand, eleven".