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201102201 = 32211105899
BaseRepresentation
bin10111111110010…
…01001101111001
3112000102001100200
423333021031321
5402440232301
631542152413
74661224536
oct1377111571
9460361320
10201102201
11a3576073
1257422709
1332881bb1
141c9cbd8d
15129c5c86
hexbfc9379

201102201 has 12 divisors (see below), whose sum is σ = 291860400. Its totient is φ = 133431480.

The previous prime is 201102199. The next prime is 201102227. The reversal of 201102201 is 102201102.

It is not a de Polignac number, because 201102201 - 21 = 201102199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (201102001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51051 + ... + 54848.

It is an arithmetic number, because the mean of its divisors is an integer number (24321700).

Almost surely, 2201102201 is an apocalyptic number.

It is an amenable number.

201102201 is a deficient number, since it is larger than the sum of its proper divisors (90758199).

201102201 is a wasteful number, since it uses less digits than its factorization.

201102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106116 (or 106113 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201102201 is about 14181.0507720690. The cubic root of 201102201 is about 585.8758652907.

Adding to 201102201 its reverse (102201102), we get a palindrome (303303303).

The spelling of 201102201 in words is "two hundred one million, one hundred two thousand, two hundred one".

Divisors: 1 3 9 211 633 1899 105899 317697 953091 22344689 67034067 201102201