10201120101 has 16 divisors (see below), whose sum is σ = 15115403520. Its totient is φ = 6799561920.

The previous prime is 10201120091. The next prime is 10201120109. The reversal of 10201120101 is 10102110201.

It is a happy number.

It is not a de Polignac number, because 10201120101 - 2¹⁵ = 10201087333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201120109) 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, 141796 + ... + 201266.

It is an arithmetic number, because the mean of its divisors is an integer number (944712720).

Almost surely, 2^10201120101 is an apocalyptic number.

It is an amenable number.

10201120101 is a deficient number, since it is larger than the sum of its proper divisors (4914283419).

10201120101 is an equidigital number, since it uses as much as digits as its factorization.

10201120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65833 (or 65827 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10201120101 its reverse (10102110201), we get a palindrome (20303230302).

The spelling of 10201120101 in words is "ten billion, two hundred one million, one hundred twenty thousand, one hundred one".