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2112201121210 = 25211220112121
BaseRepresentation
bin11110101111001000111…
…111110101110110111010
321110220221221001100222221
4132233020333311312322
5234101241441334320
64254155400234254
7305413212204355
oct36571077656672
97426857040887
102112201121210
11744863516934
122a1437a6b98a
13124244a9605b
147433412329c
1539e234643aa
hex1ebc8ff5dba

2112201121210 has 8 divisors (see below), whose sum is σ = 3801962018196. Its totient is φ = 844880448480.

The previous prime is 2112201121183. The next prime is 2112201121237. The reversal of 2112201121210 is 121211022112.

It is an interprime number because it is at equal distance from previous prime (2112201121183) and next prime (2112201121237).

It can be written as a sum of positive squares in 2 ways, for example, as 1950734575969 + 161466545241 = 1396687^2 + 401829^2 .

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

It is a super-2 number, since 2×21122011212102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105610056051 + ... + 105610056070.

Almost surely, 22112201121210 is an apocalyptic number.

2112201121210 is a deficient number, since it is larger than the sum of its proper divisors (1689760896986).

2112201121210 is a wasteful number, since it uses less digits than its factorization.

2112201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211220112128.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112201121210 its reverse (121211022112), we get a palindrome (2233412143322).

The spelling of 2112201121210 in words is "two trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 211220112121 422440224242 1056100560605 2112201121210