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102211021221234 = 23293118949021361
BaseRepresentation
bin10111001111010111011011…
…100111001010110101110010
3111101220021111210211010001020
4113033113123213022311302
5101344111132413034414
61001215032300520310
730346334250343542
oct2717273347126562
9441807453733036
10102211021221234
112a6274a5930862
12b569220250096
1345055c5144063
141b3507b3b9322
15bc3b235a37a9
hex5cf5db9cad72

102211021221234 has 32 divisors (see below), whose sum is σ = 218292726090240. Its totient is φ = 31834355884800.

The previous prime is 102211021221227. The next prime is 102211021221307. The reversal of 102211021221234 is 432122120112201.

It is an unprimeable number.

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, 9474505287 + ... + 9474516074.

It is an arithmetic number, because the mean of its divisors is an integer number (6821647690320).

Almost surely, 2102211021221234 is an apocalyptic number.

102211021221234 is an abundant number, since it is smaller than the sum of its proper divisors (116081704869006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102211021221234 is a wasteful number, since it uses less digits than its factorization.

102211021221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18949021426.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 102211021221234 its reverse (432122120112201), we get a palindrome (534333141333435).

The spelling of 102211021221234 in words is "one hundred two trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 29 31 58 62 87 93 174 186 899 1798 2697 5394 18949021361 37898042722 56847064083 113694128166 549521619469 587419662191 1099043238938 1174839324382 1648564858407 1762258986573 3297129716814 3524517973146 17035170203539 34070340407078 51105510610617 102211021221234