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212211122101103 = 7925127742191771
BaseRepresentation
bin110000010000000101000000…
…100011001101101101101111
31000211101011222222012010022202
4300100011000203031231233
5210303331334224213403
62031200235454532115
762461514301512006
oct6020050043155557
91024334888163282
10212211122101103
1161687260103544
121b973b2b50703b
1391545662a6638
143a59104899c3d
151980171a91688
hexc101408cdb6f

212211122101103 has 32 divisors (see below), whose sum is σ = 217049090872320. Its totient is φ = 207440578800000.

The previous prime is 212211122101093. The next prime is 212211122101127. The reversal of 212211122101103 is 301101221112212.

It is a cyclic number.

It is not a de Polignac number, because 212211122101103 - 26 = 212211122101039 is a prime.

It is a super-2 number, since 2×2122111221011032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211122101603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2312352608 + ... + 2312444378.

It is an arithmetic number, because the mean of its divisors is an integer number (6782784089760).

Almost surely, 2212211122101103 is an apocalyptic number.

212211122101103 is a deficient number, since it is larger than the sum of its proper divisors (4837968771217).

212211122101103 is a wasteful number, since it uses less digits than its factorization.

212211122101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92799.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 212211122101103 its reverse (301101221112212), we get a palindrome (513312343213315).

The spelling of 212211122101103 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred one thousand, one hundred three".

Divisors: 1 79 251 277 421 19829 21883 33259 69527 91771 105671 116617 5492633 7249909 8348009 9212743 23034521 25420567 29270867 38635591 1819727159 2008224793 2312398493 3052211689 6380562317 9697533341 10702058707 504064423043 766105133939 845462637853 2686216735457 212211122101103