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2212102122101 = 193131873117833
BaseRepresentation
bin100000001100001011100…
…011111010101001110101
321211110211012102000222222
4200030023203322221311
5242220341120401401
64412120425332125
7315550644536624
oct40141343725165
97743735360888
102212102122101
11783168a84493
122b8878637045
131307a5c22731
14790cdd736bb
153c81db45c1b
hex2030b8faa75

2212102122101 has 16 divisors (see below), whose sum is σ = 2403738186240. Its totient is φ = 2027992412160.

The previous prime is 2212102122079. The next prime is 2212102122103. The reversal of 2212102122101 is 1012212012122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212102122101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212102122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212102122103) 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, 18714281 + ... + 18832113.

It is an arithmetic number, because the mean of its divisors is an integer number (150233636640).

Almost surely, 22212102122101 is an apocalyptic number.

It is an amenable number.

2212102122101 is a deficient number, since it is larger than the sum of its proper divisors (191636064139).

2212102122101 is a wasteful number, since it uses less digits than its factorization.

2212102122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149756.

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

Adding to 2212102122101 its reverse (1012212012122), we get a palindrome (3224314134223).

The spelling of 2212102122101 in words is "two trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 19 31 589 31873 117833 605587 988063 2238827 3652823 18773197 69403637 3755691209 71358132971 116426427479 2212102122101