201011103 has 6 divisors (see below), whose sum is σ = 290349384. Its totient is φ = 134007396.

The previous prime is 201011059. The next prime is 201011113. The reversal of 201011103 is 301110102.

It is not a de Polignac number, because 201011103 - 2⁸ = 201010847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22334567 = 201011103 / (2 + 0 + 1 + 0 + 1 + 1 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11167275 + ... + 11167292.

It is an arithmetic number, because the mean of its divisors is an integer number (48391564).

Almost surely, 2^201011103 is an apocalyptic number.

201011103 is a deficient number, since it is larger than the sum of its proper divisors (89338281).

201011103 is a wasteful number, since it uses less digits than its factorization.

201011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334573 (or 22334570 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 201011103 is about 14177.8384459691. The cubic root of 201011103 is about 585.7873859331.

Adding to 201011103 its reverse (301110102), we get a palindrome (502121205).

The spelling of 201011103 in words is "two hundred one million, eleven thousand, one hundred three".