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2201002200121 = 19169768262947
BaseRepresentation
bin100000000001110101111…
…101000100110000111001
321210102011121221120120111
4200001311331010300321
5242030123030400441
64403043151424321
7315005613005224
oct40016575046071
97712147846514
102201002200121
117794923a884a
122b669b2250a1
1312c7273b0c6a
1478759ad25bb
153c3be41a081
hex20075f44c39

2201002200121 has 8 divisors (see below), whose sum is σ = 2318209714080. Its totient is φ = 2083931215488.

The previous prime is 2201002200119. The next prime is 2201002200179. The reversal of 2201002200121 is 1210022001022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201002200121 - 21 = 2201002200119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201002200191) 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, 34099231 + ... + 34163716.

It is an arithmetic number, because the mean of its divisors is an integer number (289776214260).

Almost surely, 22201002200121 is an apocalyptic number.

It is an amenable number.

2201002200121 is a deficient number, since it is larger than the sum of its proper divisors (117207513959).

2201002200121 is a wasteful number, since it uses less digits than its factorization.

2201002200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68264663.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2201002200121 its reverse (1210022001022), we get a palindrome (3411024201143).

The spelling of 2201002200121 in words is "two trillion, two hundred one billion, two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 19 1697 32243 68262947 1296995993 115842221059 2201002200121