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2112200210211 = 372131976355927
BaseRepresentation
bin11110101111001000111…
…100010111011100100011
321110220221212100002100020
4132233020330113130203
5234101241223211321
64254155324524523
7305413201361400
oct36571074273443
97426855302306
102112200210211
11744862a54443
122a14376b0743
131242448374c0
1474333d672a7
1539e233344c6
hex1ebc8f17723

2112200210211 has 48 divisors (see below), whose sum is σ = 3528312286464. Its totient is φ = 1114051288896.

The previous prime is 2112200210129. The next prime is 2112200210221. The reversal of 2112200210211 is 1120120022112.

It is not a de Polignac number, because 2112200210211 - 214 = 2112200193827 is a prime.

It is a super-2 number, since 2×21122002102112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112200210221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37739130 + ... + 37795056.

It is an arithmetic number, because the mean of its divisors is an integer number (73506505968).

Almost surely, 22112200210211 is an apocalyptic number.

2112200210211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2112200210211 is a deficient number, since it is larger than the sum of its proper divisors (1416112076253).

2112200210211 is a wasteful number, since it uses less digits than its factorization.

2112200210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75720 (or 75713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112200210211 its reverse (1120120022112), we get a palindrome (3232320232323).

The spelling of 2112200210211 in words is "two trillion, one hundred twelve billion, two hundred million, two hundred ten thousand, two hundred eleven".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 19763 55927 59289 138341 167781 256919 391489 415023 727051 770757 968387 1174467 1798433 2181153 2740423 2905161 5089357 5395299 8221269 12589031 15268071 35625499 37767093 106876497 1105285301 3315855903 7736997107 14368708913 23210991321 43106126739 54158979749 100580962391 162476939247 301742887173 704066736737 2112200210211