201120101 has 16 divisors (see below), whose sum is σ = 248016384. Its totient is φ = 158817024.

The previous prime is 201120077. The next prime is 201120103. The reversal of 201120101 is 101021102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201120101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120103) 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, 52100 + ... + 55826.

It is an arithmetic number, because the mean of its divisors is an integer number (15501024).

Almost surely, 2^201120101 is an apocalyptic number.

It is an amenable number.

201120101 is a deficient number, since it is larger than the sum of its proper divisors (46896283).

201120101 is a wasteful number, since it uses less digits than its factorization.

201120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 201120101 is about 14181.6818819208. The cubic root of 201120101 is about 585.8932476081.

Adding to 201120101 its reverse (101021102), we get a palindrome (302141203).

The spelling of 201120101 in words is "two hundred one million, one hundred twenty thousand, one hundred one".