201101101201021 has 8 divisors (see below), whose sum is σ = 229830869785664. Its totient is φ = 172371592576800.

The previous prime is 201101101200973. The next prime is 201101101201031. The reversal of 201101101201021 is 120102101101102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201101101201021 - 2³³ = 201092511266429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201101101200992 and 201101101201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101101201031) 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, 63329595 + ... + 66429208.

It is an arithmetic number, because the mean of its divisors is an integer number (28728858723208).

Almost surely, 2^{201101101201021} is an apocalyptic number.

It is an amenable number.

201101101201021 is a deficient number, since it is larger than the sum of its proper divisors (28729768584643).

201101101201021 is a wasteful number, since it uses less digits than its factorization.

201101101201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129980211.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201101101201021 its reverse (120102101101102), we get a palindrome (321203202302123).

The spelling of 201101101201021 in words is "two hundred one trillion, one hundred one billion, one hundred one million, two hundred one thousand, twenty-one".