201150105 has 32 divisors (see below), whose sum is σ = 353154816. Its totient is φ = 97154304.

The previous prime is 201150101. The next prime is 201150121. The reversal of 201150105 is 501051102.

It is not a de Polignac number, because 201150105 - 2² = 201150101 is a prime.

It is a super-2 number, since 2×201150105² = 80922729483022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201150101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (11036088).

Almost surely, 2^201150105 is an apocalyptic number.

It is an amenable number.

201150105 is a deficient number, since it is larger than the sum of its proper divisors (152004711).

201150105 is a wasteful number, since it uses less digits than its factorization.

201150105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19537.

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

The square root of 201150105 is about 14182.7396859704. The cubic root of 201150105 is about 585.9223815548.

The spelling of 201150105 in words is "two hundred one million, one hundred fifty thousand, one hundred five".