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210201222110120 = 2355255030552753
BaseRepresentation
bin101111110010110101001001…
…001011001101101110101000
31000120021001002120202121210222
4233302311021023031232220
5210022414100330010440
62023021035222425212
762163352144462313
oct5762651113155650
91016231076677728
10210201222110120
1160a81923a45a2a
121b6aa4a3b92208
139039b7599c747
1439c9b1727b97a
151947c398ad2b5
hexbf2d492cdba8

210201222110120 has 16 divisors (see below), whose sum is σ = 472952749747860. Its totient is φ = 84080488844032.

The previous prime is 210201222110081. The next prime is 210201222110123. The reversal of 210201222110120 is 21011222102012.

It can be written as a sum of positive squares in 2 ways, for example, as 181637777017636 + 28563445092484 = 13477306^2 + 5344478^2 .

It is a super-2 number, since 2×2102012221101202 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210201222110123) 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, 2627515276337 + ... + 2627515276416.

Almost surely, 2210201222110120 is an apocalyptic number.

210201222110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201222110120 is an abundant number, since it is smaller than the sum of its proper divisors (262751527637740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210201222110120 is a wasteful number, since it uses less digits than its factorization.

210201222110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255030552764 (or 5255030552760 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210201222110120 its reverse (21011222102012), we get a palindrome (231212444212132).

The spelling of 210201222110120 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5255030552753 10510061105506 21020122211012 26275152763765 42040244422024 52550305527530 105100611055060 210201222110120