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10202121133201 = 411092309988681
BaseRepresentation
bin1001010001110101110111…
…0011100101110010010001
31100010022110100210200001201
42110131131303211302101
52314122421002230301
633410442330231201
72102036033544154
oct224353563456221
940108410720051
1010202121133201
113283771457a68
1211892a5885501
13590095a546aa
14273adcbdbc9b
1512a5a9706201
hex9475dce5c91

10202121133201 has 16 divisors (see below), whose sum is σ = 10551412040400. Its totient is φ = 9857693260800.

The previous prime is 10202121133189. The next prime is 10202121133249. The reversal of 10202121133201 is 10233112120201.

It can be written as a sum of positive squares in 8 ways, for example, as 175246890625 + 10026874242576 = 418625^2 + 3166524^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202121133201 - 237 = 10064682179729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202121131201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9824581 + ... + 10813261.

It is an arithmetic number, because the mean of its divisors is an integer number (659463252525).

Almost surely, 210202121133201 is an apocalyptic number.

It is an amenable number.

10202121133201 is a deficient number, since it is larger than the sum of its proper divisors (349290907199).

10202121133201 is a wasteful number, since it uses less digits than its factorization.

10202121133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991140.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10202121133201 its reverse (10233112120201), we get a palindrome (20435233253402).

The spelling of 10202121133201 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 41 109 2309 4469 94669 251681 988681 10318921 40535921 107766229 2282864429 4418415389 93597441589 248832222761 10202121133201