201121220001101 has 8 divisors (see below), whose sum is σ = 211734824071680. Its totient is φ = 190510443600768.

The previous prime is 201121220001089. The next prime is 201121220001109. The reversal of 201121220001101 is 101100022121102.

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

It is a de Polignac number, because none of the positive numbers 2^k-201121220001101 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 (201121220001109) 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, 706771556 + ... + 707056061.

It is an arithmetic number, because the mean of its divisors is an integer number (26466853008960).

Almost surely, 2^{201121220001101} is an apocalyptic number.

It is an amenable number.

201121220001101 is a deficient number, since it is larger than the sum of its proper divisors (10613604070579).

201121220001101 is a wasteful number, since it uses less digits than its factorization.

201121220001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413835123.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201121220001101 its reverse (101100022121102), we get a palindrome (302221242122203).

The spelling of 201121220001101 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty million, one thousand, one hundred one".