201055101 has 16 divisors (see below), whose sum is σ = 291676224. Its totient is φ = 122448384.

The previous prime is 201055069. The next prime is 201055117. The reversal of 201055101 is 101550102.

It is not a de Polignac number, because 201055101 - 2⁵ = 201055069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201055201) 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, 22791 + ... + 30356.

It is an arithmetic number, because the mean of its divisors is an integer number (18229764).

Almost surely, 2^201055101 is an apocalyptic number.

It is an amenable number.

201055101 is a deficient number, since it is larger than the sum of its proper divisors (90621123).

201055101 is a wasteful number, since it uses less digits than its factorization.

201055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53260.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 201055101 is about 14179.3900080363. The cubic root of 201055101 is about 585.8301225329.

The spelling of 201055101 in words is "two hundred one million, fifty-five thousand, one hundred one".