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102222021111 = 375982503649
BaseRepresentation
bin101111100110011101…
…0000100000111110111
3100202212000202201011220
41133030322010013313
53133322314133421
6114543220401423
710246104562110
oct1371472040767
9322760681156
10102222021111
113a396736491
1217989b46273
139840c81432
144d3a1d1207
1529d43563c6
hex17cce841f7

102222021111 has 16 divisors (see below), whose sum is σ = 158407008000. Its totient is φ = 57422539008.

The previous prime is 102222021073. The next prime is 102222021127. The reversal of 102222021111 is 111120222201.

It is not a de Polignac number, because 102222021111 - 217 = 102221890039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222021131) 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, 41250586 + ... + 41253063.

It is an arithmetic number, because the mean of its divisors is an integer number (9900438000).

Almost surely, 2102222021111 is an apocalyptic number.

102222021111 is a deficient number, since it is larger than the sum of its proper divisors (56184986889).

102222021111 is an equidigital number, since it uses as much as digits as its factorization.

102222021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82503718.

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

Adding to 102222021111 its reverse (111120222201), we get a palindrome (213342243312).

The spelling of 102222021111 in words is "one hundred two billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".

Divisors: 1 3 7 21 59 177 413 1239 82503649 247510947 577525543 1732576629 4867715291 14603145873 34074007037 102222021111