201211001130101 has 24 divisors (see below), whose sum is σ = 204861597112224. Its totient is φ = 197602239934400.

The previous prime is 201211001130053. The next prime is 201211001130143. The reversal of 201211001130101 is 101031100112102.

It is not a de Polignac number, because 201211001130101 - 2¹⁸ = 201211000867957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211001130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1658960006 + ... + 1659081288.

It is an arithmetic number, because the mean of its divisors is an integer number (8535899879676).

Almost surely, 2^{201211001130101} is an apocalyptic number.

It is an amenable number.

201211001130101 is a deficient number, since it is larger than the sum of its proper divisors (3650595982123).

201211001130101 is a wasteful number, since it uses less digits than its factorization.

201211001130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122149 (or 121880 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 201211001130101 its reverse (101031100112102), we get a palindrome (302242101242203).

The spelling of 201211001130101 in words is "two hundred one trillion, two hundred eleven billion, one million, one hundred thirty thousand, one hundred one".