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2120210022111 = 331129539175993
BaseRepresentation
bin11110110110100110010…
…111010111111011011111
321111200122002012200122020
4132312212113113323133
5234214142231201421
64302002214551223
7306115531555566
oct36664627277337
97450562180566
102120210022111
117481a33136a5
122a2ab2068513
13124c2010467c
1474893a66bdd
153a24161bdc6
hex1eda65d7edf

2120210022111 has 16 divisors (see below), whose sum is σ = 2918177633280. Its totient is φ = 1367859101760.

The previous prime is 2120210022103. The next prime is 2120210022163. The reversal of 2120210022111 is 1112200120212.

It is not a de Polignac number, because 2120210022111 - 23 = 2120210022103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11959131 + ... + 12135123.

It is an arithmetic number, because the mean of its divisors is an integer number (182386102080).

Almost surely, 22120210022111 is an apocalyptic number.

2120210022111 is a deficient number, since it is larger than the sum of its proper divisors (797967611169).

2120210022111 is a wasteful number, since it uses less digits than its factorization.

2120210022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305566.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120210022111 its reverse (1112200120212), we get a palindrome (3232410142323).

The spelling of 2120210022111 in words is "two trillion, one hundred twenty billion, two hundred ten million, twenty-two thousand, one hundred eleven".

Divisors: 1 3 31 93 129539 175993 388617 527979 4015709 5455783 12047127 16367349 22797957227 68393871681 706736674037 2120210022111