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2122200201 = 311312074487
BaseRepresentation
bin111111001111110…
…0011010010001001
312110220021221101110
41332133203102021
513321240401301
6550330040533
7103406255412
oct17637432211
95426257343
102122200201
11999a21470
124b2879149
1327a891884
14161bc8809
15c64a00d6
hex7e7e3489

2122200201 has 16 divisors (see below), whose sum is σ = 3186413568. Its totient is φ = 1244691600.

The previous prime is 2122200181. The next prime is 2122200209. The reversal of 2122200201 is 1020022212.

It is not a de Polignac number, because 2122200201 - 26 = 2122200137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122200209) 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, 1036221 + ... + 1038266.

It is an arithmetic number, because the mean of its divisors is an integer number (199150848).

Almost surely, 22122200201 is an apocalyptic number.

It is an amenable number.

2122200201 is a deficient number, since it is larger than the sum of its proper divisors (1064213367).

2122200201 is a wasteful number, since it uses less digits than its factorization.

2122200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074532.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2122200201 is about 46067.3441930398. The cubic root of 2122200201 is about 1285.0759141008.

Adding to 2122200201 its reverse (1020022212), we get a palindrome (3142222413).

It can be divided in two parts, 21 and 22200201, that added together give a palindrome (22200222).

The spelling of 2122200201 in words is "two billion, one hundred twenty-two million, two hundred thousand, two hundred one".

Divisors: 1 3 11 31 33 93 341 1023 2074487 6223461 22819357 64309097 68458071 192927291 707400067 2122200201