201101055 has 8 divisors (see below), whose sum is σ = 321761712. Its totient is φ = 107253888.

The previous prime is 201101009. The next prime is 201101059. The reversal of 201101055 is 550101102.

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

It is not a de Polignac number, because 201101055 - 2⁷ = 201100927 is a prime.

It is a super-2 number, since 2×201101055² = 80883268644226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 13406737 = 201101055 / (2 + 0 + 1 + 1 + 0 + 1 + 0 + 5 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101059) 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, 6703354 + ... + 6703383.

It is an arithmetic number, because the mean of its divisors is an integer number (40220214).

Almost surely, 2^201101055 is an apocalyptic number.

201101055 is a deficient number, since it is larger than the sum of its proper divisors (120660657).

201101055 is a wasteful number, since it uses less digits than its factorization.

201101055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13406745.

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

The square root of 201101055 is about 14181.0103659789. The cubic root of 201101055 is about 585.8747523989.

Adding to 201101055 its reverse (550101102), we get a palindrome (751202157).

The spelling of 201101055 in words is "two hundred one million, one hundred one thousand, fifty-five".