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2112212001211 = 131018631864069
BaseRepresentation
bin11110101111001001101…
…001010110000110111011
321110220222200112010112221
4132233021221112012323
5234101302233014321
64254200425344511
7305413403530444
oct36571151260673
97426880463487
102112212001211
11744869678174
122a143b638137
13124247105320
14743357562cb
1539e243b2e41
hex1ebc9a561bb

2112212001211 has 16 divisors (see below), whose sum is σ = 2299874653440. Its totient is φ = 1928191939200.

The previous prime is 2112212001187. The next prime is 2112212001241. The reversal of 2112212001211 is 1121002122112.

It is a cyclic number.

It is not a de Polignac number, because 2112212001211 - 227 = 2112077783483 is a prime.

It is a super-2 number, since 2×21122120012112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112212001241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201085 + ... + 2065153.

It is an arithmetic number, because the mean of its divisors is an integer number (143742165840).

Almost surely, 22112212001211 is an apocalyptic number.

2112212001211 is a deficient number, since it is larger than the sum of its proper divisors (187662652229).

2112212001211 is a wasteful number, since it uses less digits than its factorization.

2112212001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865046.

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

Adding to 2112212001211 its reverse (1121002122112), we get a palindrome (3233214123323).

The spelling of 2112212001211 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one thousand, two hundred eleven".

Divisors: 1 13 101 863 1313 11219 87163 1133119 1864069 24232897 188270969 1608691547 2447522597 20912990111 162477846247 2112212001211