201101310021 has 8 divisors (see below), whose sum is σ = 268289099104. Its totient is φ = 133990530480.

The previous prime is 201101310001. The next prime is 201101310029. The reversal of 201101310021 is 120013101102.

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

It is not a de Polignac number, because 201101310021 - 2¹³ = 201101301829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101309979 and 201101310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101310029) 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, 19246291 + ... + 19256736.

It is an arithmetic number, because the mean of its divisors is an integer number (33536137388).

Almost surely, 2^201101310021 is an apocalyptic number.

It is an amenable number.

201101310021 is a deficient number, since it is larger than the sum of its proper divisors (67187789083).

201101310021 is a wasteful number, since it uses less digits than its factorization.

201101310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38504771.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 201101310021 its reverse (120013101102), we get a palindrome (321114411123).

The spelling of 201101310021 in words is "two hundred one billion, one hundred one million, three hundred ten thousand, twenty-one".