201030101 has 8 divisors (see below), whose sum is σ = 205281624. Its totient is φ = 196819200.

The previous prime is 201030079. The next prime is 201030149. The reversal of 201030101 is 101030102.

201030101 = 101³ + 102³ + ... + 173³.

It can be written as a sum of positive squares in 4 ways, for example, as 28633201 + 172396900 = 5351^2 + 13130^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201030101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030161) 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, 50 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (25660203).

Almost surely, 2^201030101 is an apocalyptic number.

It is an amenable number.

201030101 is a deficient number, since it is larger than the sum of its proper divisors (4251523).

201030101 is a wasteful number, since it uses less digits than its factorization.

201030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 201030101 is about 14178.5084194354. The cubic root of 201030101 is about 585.8058400351.

Adding to 201030101 its reverse (101030102), we get a palindrome (302060203).

Subtracting from 201030101 its reverse (101030102), we obtain a palindrome (99999999).

The spelling of 201030101 in words is "two hundred one million, thirty thousand, one hundred one".