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22020102002201 = 28178363352321
BaseRepresentation
bin1010000000110111101000…
…10110111001011000011001
32212222002201202202212120212
411000123310112321120121
510341234132103032301
6114455521210500505
74431620440515242
oct500336426713031
985862652685525
1022020102002201
11701a744576686
122577787734735
13c396433b7964
14561ac8785cc9
15282bd7a2c4bb
hex1406f45b9619

22020102002201 has 4 divisors (see below), whose sum is σ = 22098465354804. Its totient is φ = 21941738649600.

The previous prime is 22020102002177. The next prime is 22020102002219. The reversal of 22020102002201 is 10220020102022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7042118382601 + 14977983619600 = 2653699^2 + 3870140^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020102002201 - 218 = 22020101740057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020102001201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39181675880 + ... + 39181676441.

It is an arithmetic number, because the mean of its divisors is an integer number (5524616338701).

Almost surely, 222020102002201 is an apocalyptic number.

It is an amenable number.

22020102002201 is a deficient number, since it is larger than the sum of its proper divisors (78363352603).

22020102002201 is an equidigital number, since it uses as much as digits as its factorization.

22020102002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78363352602.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020102002201 its reverse (10220020102022), we get a palindrome (32240122104223).

The spelling of 22020102002201 in words is "twenty-two trillion, twenty billion, one hundred two million, two thousand, two hundred one".

Divisors: 1 281 78363352321 22020102002201