201010121211 has 8 divisors (see below), whose sum is σ = 268016386624. Its totient is φ = 134005301640.

The previous prime is 201010121171. The next prime is 201010121281. The reversal of 201010121211 is 112121010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201010121211 - 2²² = 201005926907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010121281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20640 + ... + 634386.

It is an arithmetic number, because the mean of its divisors is an integer number (33502048328).

Almost surely, 2^201010121211 is an apocalyptic number.

201010121211 is a deficient number, since it is larger than the sum of its proper divisors (67006265413).

201010121211 is a wasteful number, since it uses less digits than its factorization.

201010121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722921.

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

Adding to 201010121211 its reverse (112121010102), we get a palindrome (313131131313).

The spelling of 201010121211 in words is "two hundred one billion, ten million, one hundred twenty-one thousand, two hundred eleven".