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2112212102102 = 21787590993873
BaseRepresentation
bin11110101111001001101…
…001101110101111010110
321110220222200201020221122
4132233021221232233112
5234101302244231402
64254200431443542
7305413404430544
oct36571151565726
97426880636848
102112212102102
11744869736a53
122a143b6865b2
1312424713c21b
1474335780d94
1539e243d2ca2
hex1ebc9a6ebd6

2112212102102 has 8 divisors (see below), whose sum is σ = 3170091140136. Its totient is φ = 1055515055392.

The previous prime is 2112212102089. The next prime is 2112212102107. The reversal of 2112212102102 is 2012012122112.

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

It is a super-2 number, since 2×21122121021022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212102107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295493363 + ... + 295500510.

It is an arithmetic number, because the mean of its divisors is an integer number (396261392517).

Almost surely, 22112212102102 is an apocalyptic number.

2112212102102 is a deficient number, since it is larger than the sum of its proper divisors (1057879038034).

2112212102102 is a wasteful number, since it uses less digits than its factorization.

2112212102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590995662.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112212102102 its reverse (2012012122112), we get a palindrome (4124224224214).

The spelling of 2112212102102 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, one hundred two".

Divisors: 1 2 1787 3574 590993873 1181987746 1056106051051 2112212102102