201200211121 has 32 divisors (see below), whose sum is σ = 255680022528. Its totient is φ = 154019473920.

The previous prime is 201200211089. The next prime is 201200211139. The reversal of 201200211121 is 121112002102.

It is not a de Polignac number, because 201200211121 - 2⁵ = 201200211089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (201200211151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21370011 + ... + 21379423.

It is an arithmetic number, because the mean of its divisors is an integer number (7990000704).

Almost surely, 2^201200211121 is an apocalyptic number.

It is an amenable number.

201200211121 is a deficient number, since it is larger than the sum of its proper divisors (54479811407).

201200211121 is a wasteful number, since it uses less digits than its factorization.

201200211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201200211121 its reverse (121112002102), we get a palindrome (322312213223).

The spelling of 201200211121 in words is "two hundred one billion, two hundred million, two hundred eleven thousand, one hundred twenty-one".