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2112202122 = 231301270587
BaseRepresentation
bin111110111100101…
…1010010110001010
312110012110222121020
41331321122112022
513311210431442
6545331453310
7103225264452
oct17571322612
95405428536
102112202122
11994312798
124ab457236
132787a0b54
14160744d62
15c56779ec
hex7de5a58a

2112202122 has 16 divisors (see below), whose sum is σ = 4227666912. Its totient is φ = 703523600.

The previous prime is 2112202117. The next prime is 2112202129. The reversal of 2112202122 is 2212022112.

It is a super-2 number, since 2×21122021222 = 8922795608362605768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112202129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127488 + ... + 143099.

It is an arithmetic number, because the mean of its divisors is an integer number (264229182).

Almost surely, 22112202122 is an apocalyptic number.

2112202122 is an abundant number, since it is smaller than the sum of its proper divisors (2115464790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112202122 is a wasteful number, since it uses less digits than its factorization.

2112202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271893.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2112202122 is about 45958.7001774419. The cubic root of 2112202122 is about 1283.0546595598.

Adding to 2112202122 its reverse (2212022112), we get a palindrome (4324224234).

The spelling of 2112202122 in words is "two billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 1301 2602 3903 7806 270587 541174 811761 1623522 352033687 704067374 1056101061 2112202122