201101202011121 has 16 divisors (see below), whose sum is σ = 282249739530240. Its totient is φ = 127010188172880.

The previous prime is 201101202011113. The next prime is 201101202011123. The reversal of 201101202011121 is 121110202101102.

It is a happy number.

It is not a de Polignac number, because 201101202011121 - 2³ = 201101202011113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201101202011121.

It is not an unprimeable number, because it can be changed into a prime (201101202011123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8559405 + ... + 21805178.

It is an arithmetic number, because the mean of its divisors is an integer number (17640608720640).

Almost surely, 2^{201101202011121} is an apocalyptic number.

It is an amenable number.

201101202011121 is a deficient number, since it is larger than the sum of its proper divisors (81148537519119).

201101202011121 is a wasteful number, since it uses less digits than its factorization.

201101202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30480796.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201101202011121 its reverse (121110202101102), we get a palindrome (322211404112223).

The spelling of 201101202011121 in words is "two hundred one trillion, one hundred one billion, two hundred two million, eleven thousand, one hundred twenty-one".