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2112211100210 = 25211221110021
BaseRepresentation
bin11110101111001001100…
…101111010001000110010
321110220222121211100121112
4132233021211322020302
5234101302020201320
64254200354153322
7305413363055561
oct36571145721062
97426877740545
102112211100210
11744869112242
122a143b282842
13124246b7b1a3
147433559dbd8
1539e24285ec5
hex1ebc997a232

2112211100210 has 8 divisors (see below), whose sum is σ = 3801979980396. Its totient is φ = 844884440080.

The previous prime is 2112211100137. The next prime is 2112211100227. The reversal of 2112211100210 is 120011122112.

It can be written as a sum of positive squares in 2 ways, for example, as 1976124628009 + 136086472201 = 1405747^2 + 368899^2 .

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

It is a super-2 number, since 2×21122111002102 (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, 105610555001 + ... + 105610555020.

Almost surely, 22112211100210 is an apocalyptic number.

2112211100210 is a deficient number, since it is larger than the sum of its proper divisors (1689768880186).

2112211100210 is a wasteful number, since it uses less digits than its factorization.

2112211100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211221110028.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2112211100210 its reverse (120011122112), we get a palindrome (2232222222322).

The spelling of 2112211100210 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 10 211221110021 422442220042 1056105550105 2112211100210