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2102212102111 = 11382349989587
BaseRepresentation
bin11110100101110101100…
…110110000011111011111
321102222011202221121211121
4132211311212300133133
5233420312244231421
64245424245031411
7304610530015612
oct36456546603737
97388152847747
102102212102111
117405a7a21a50
1229b50a6b5567
13123312451a74
1473a6761c179
1539a3b524d41
hex1e9759b07df

2102212102111 has 8 divisors (see below), whose sum is σ = 2293922214144. Its totient is φ = 1910601976920.

The previous prime is 2102212102079. The next prime is 2102212102129. The reversal of 2102212102111 is 1112012122012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102212102111 - 25 = 2102212102079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102212102171) 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, 24952741 + ... + 25036846.

It is an arithmetic number, because the mean of its divisors is an integer number (286740276768).

Almost surely, 22102212102111 is an apocalyptic number.

2102212102111 is a deficient number, since it is larger than the sum of its proper divisors (191710112033).

2102212102111 is a wasteful number, since it uses less digits than its factorization.

2102212102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993421.

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

Adding to 2102212102111 its reverse (1112012122012), we get a palindrome (3214224224123).

The spelling of 2102212102111 in words is "two trillion, one hundred two billion, two hundred twelve million, one hundred two thousand, one hundred eleven".

Divisors: 1 11 3823 42053 49989587 549885457 191110191101 2102212102111