201120000021101 has 12 divisors (see below), whose sum is σ = 234029885033952. Its totient is φ = 172334069710488.

The previous prime is 201120000021041. The next prime is 201120000021119. The reversal of 201120000021101 is 101120000021102.

It is not a de Polignac number, because 201120000021101 - 2²² = 201119995826797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120000021151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648673625 + ... + 648983598.

It is an arithmetic number, because the mean of its divisors is an integer number (19502490419496).

Almost surely, 2^{201120000021101} is an apocalyptic number.

It is an amenable number.

201120000021101 is a deficient number, since it is larger than the sum of its proper divisors (32909885012851).

201120000021101 is a wasteful number, since it uses less digits than its factorization.

201120000021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297660400 (or 1297660393 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201120000021101 its reverse (101120000021102), we get a palindrome (302240000042203).

Subtracting from 201120000021101 its reverse (101120000021102), we obtain a palindrome (99999999999999).

The spelling of 201120000021101 in words is "two hundred one trillion, one hundred twenty billion, twenty-one thousand, one hundred one".